diff --git a/package.json b/package.json
index d2ba9275..63a480ff 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "write-heading-ids": "docusaurus write-heading-ids"
   },
   "dependencies": {
-    "@docusaurus/core": "2.0.0-beta.3",
+    "@docusaurus/core": "2.0.0-beta.4",
     "@docusaurus/plugin-google-analytics": "^2.0.0-beta.3",
     "@docusaurus/preset-classic": "2.0.0-beta.3",
     "@mdx-js/react": "^1.6.21",
diff --git a/yarn.lock b/yarn.lock
index cc9a9070..ef120445 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1244,6 +1244,90 @@
     webpack-merge "^5.8.0"
     webpackbar "^5.0.0-3"
 
+"@docusaurus/core@2.0.0-beta.4":
+  version "2.0.0-beta.4"
+  resolved "https://registry.yarnpkg.com/@docusaurus/core/-/core-2.0.0-beta.4.tgz#b41c5064c8737405cfceb1a373c9c5aa3410fd95"
+  integrity sha512-ITa976MPFl9KbYchMOWCCX6SU6EFDSdGeGOHtpaNcrJ9e9Sj7o77fKmMH/ciShwz1g8brTm3VxZ0FwleU8lTig==
+  dependencies:
+    "@babel/core" "^7.12.16"
+    "@babel/generator" "^7.12.15"
+    "@babel/plugin-syntax-dynamic-import" "^7.8.3"
+    "@babel/plugin-transform-runtime" "^7.12.15"
+    "@babel/preset-env" "^7.12.16"
+    "@babel/preset-react" "^7.12.13"
+    "@babel/preset-typescript" "^7.12.16"
+    "@babel/runtime" "^7.12.5"
+    "@babel/runtime-corejs3" "^7.12.13"
+    "@babel/traverse" "^7.12.13"
+    "@docusaurus/cssnano-preset" "2.0.0-beta.4"
+    "@docusaurus/react-loadable" "5.5.0"
+    "@docusaurus/types" "2.0.0-beta.4"
+    "@docusaurus/utils" "2.0.0-beta.4"
+    "@docusaurus/utils-common" "2.0.0-beta.4"
+    "@docusaurus/utils-validation" "2.0.0-beta.4"
+    "@slorber/static-site-generator-webpack-plugin" "^4.0.0"
+    "@svgr/webpack" "^5.5.0"
+    autoprefixer "^10.2.5"
+    babel-loader "^8.2.2"
+    babel-plugin-dynamic-import-node "2.3.0"
+    boxen "^5.0.1"
+    chalk "^4.1.1"
+    chokidar "^3.5.1"
+    clean-css "^5.1.2"
+    commander "^5.1.0"
+    copy-webpack-plugin "^9.0.0"
+    core-js "^3.9.1"
+    css-loader "^5.1.1"
+    css-minimizer-webpack-plugin "^3.0.1"
+    cssnano "^5.0.4"
+    del "^6.0.0"
+    detect-port "^1.3.0"
+    escape-html "^1.0.3"
+    eta "^1.12.1"
+    express "^4.17.1"
+    file-loader "^6.2.0"
+    fs-extra "^10.0.0"
+    github-slugger "^1.3.0"
+    globby "^11.0.2"
+    html-minifier-terser "^5.1.1"
+    html-tags "^3.1.0"
+    html-webpack-plugin "^5.3.2"
+    import-fresh "^3.3.0"
+    is-root "^2.1.0"
+    leven "^3.1.0"
+    lodash "^4.17.20"
+    mini-css-extract-plugin "^1.6.0"
+    module-alias "^2.2.2"
+    nprogress "^0.2.0"
+    postcss "^8.2.15"
+    postcss-loader "^5.3.0"
+    prompts "^2.4.1"
+    react-dev-utils "^11.0.1"
+    react-error-overlay "^6.0.9"
+    react-helmet "^6.1.0"
+    react-loadable "^5.5.0"
+    react-loadable-ssr-addon-v5-slorber "^1.0.1"
+    react-router "^5.2.0"
+    react-router-config "^5.1.1"
+    react-router-dom "^5.2.0"
+    resolve-pathname "^3.0.0"
+    rtl-detect "^1.0.3"
+    semver "^7.3.4"
+    serve-handler "^6.1.3"
+    shelljs "^0.8.4"
+    std-env "^2.2.1"
+    strip-ansi "^6.0.0"
+    terser-webpack-plugin "^5.1.3"
+    tslib "^2.2.0"
+    update-notifier "^5.1.0"
+    url-loader "^4.1.1"
+    wait-on "^5.3.0"
+    webpack "^5.40.0"
+    webpack-bundle-analyzer "^4.4.2"
+    webpack-dev-server "^3.11.2"
+    webpack-merge "^5.8.0"
+    webpackbar "^5.0.0-3"
+
 "@docusaurus/cssnano-preset@2.0.0-beta.3":
   version "2.0.0-beta.3"
   resolved "https://registry.yarnpkg.com/@docusaurus/cssnano-preset/-/cssnano-preset-2.0.0-beta.3.tgz#b82d58df4e95b04cd57a3e9922d39056207d2c73"
@@ -1253,6 +1337,15 @@
     postcss "^8.2.15"
     postcss-sort-media-queries "^3.10.11"
 
+"@docusaurus/cssnano-preset@2.0.0-beta.4":
+  version "2.0.0-beta.4"
+  resolved "https://registry.yarnpkg.com/@docusaurus/cssnano-preset/-/cssnano-preset-2.0.0-beta.4.tgz#a40c0bee39143a531ca4dde05bb3a84bec416668"
+  integrity sha512-KsmFEob0ElffnFFbz93wcYH4IncU4LDnKBerdomU0Wdg/vXTLo3Q7no8df9yjbcBXVRaSX+/tNFapY9Iu/4Cew==
+  dependencies:
+    cssnano-preset-advanced "^5.1.1"
+    postcss "^8.2.15"
+    postcss-sort-media-queries "^3.10.11"
+
 "@docusaurus/mdx-loader@2.0.0-beta.3":
   version "2.0.0-beta.3"
   resolved "https://registry.yarnpkg.com/@docusaurus/mdx-loader/-/mdx-loader-2.0.0-beta.3.tgz#e1d9f3265889e4728412dab9f45d940bd87639fd"
@@ -1474,6 +1567,17 @@
     webpack "^5.40.0"
     webpack-merge "^5.8.0"
 
+"@docusaurus/types@2.0.0-beta.4":
+  version "2.0.0-beta.4"
+  resolved "https://registry.yarnpkg.com/@docusaurus/types/-/types-2.0.0-beta.4.tgz#9eef0a88b008ebd65bb9870b7ff0050de0e620c4"
+  integrity sha512-2aMCliUCBYhZO8UiiPIKpRu2KECtqt0nRu44EbN6rj1STf695AIOhJC1Zo5TiuW2WbiljSbkJTgG3XdBZ3FUBw==
+  dependencies:
+    commander "^5.1.0"
+    joi "^17.4.0"
+    querystring "0.2.0"
+    webpack "^5.40.0"
+    webpack-merge "^5.8.0"
+
 "@docusaurus/utils-common@2.0.0-beta.3":
   version "2.0.0-beta.3"
   resolved "https://registry.yarnpkg.com/@docusaurus/utils-common/-/utils-common-2.0.0-beta.3.tgz#85fc7f7572d0f55e62b8f0baeb91967bf7d699e0"
@@ -1482,6 +1586,14 @@
     "@docusaurus/types" "2.0.0-beta.3"
     tslib "^2.2.0"
 
+"@docusaurus/utils-common@2.0.0-beta.4":
+  version "2.0.0-beta.4"
+  resolved "https://registry.yarnpkg.com/@docusaurus/utils-common/-/utils-common-2.0.0-beta.4.tgz#eb2e5876f5f79d037fa7e1867177658661b9c1c2"
+  integrity sha512-QaKs96/95ztKgZqHMUS/vNl+GzZ/6vKVEPjBXWt7Fdhg2soT1Iu4cShnibEO5HaVlwSfnJbVmDLVm8phQRdr0A==
+  dependencies:
+    "@docusaurus/types" "2.0.0-beta.4"
+    tslib "^2.2.0"
+
 "@docusaurus/utils-validation@2.0.0-beta.3":
   version "2.0.0-beta.3"
   resolved "https://registry.yarnpkg.com/@docusaurus/utils-validation/-/utils-validation-2.0.0-beta.3.tgz#24e8187ff853dfec111faaef75af432274bd8773"
@@ -1492,6 +1604,16 @@
     joi "^17.4.0"
     tslib "^2.1.0"
 
+"@docusaurus/utils-validation@2.0.0-beta.4":
+  version "2.0.0-beta.4"
+  resolved "https://registry.yarnpkg.com/@docusaurus/utils-validation/-/utils-validation-2.0.0-beta.4.tgz#417ff389d61aab4c6544f169e31bb86573b518df"
+  integrity sha512-t1sxSeyVU02NkcFhPvE7eQFA0CFUst68hTnie6ZS3ToY3nlzdbYRPOAZY5MPr3zRMwum6yFAXgqVA+5fnR0OGg==
+  dependencies:
+    "@docusaurus/utils" "2.0.0-beta.4"
+    chalk "^4.1.1"
+    joi "^17.4.0"
+    tslib "^2.1.0"
+
 "@docusaurus/utils@2.0.0-beta.3":
   version "2.0.0-beta.3"
   resolved "https://registry.yarnpkg.com/@docusaurus/utils/-/utils-2.0.0-beta.3.tgz#81bdf02c5128f3d307d56925cbc398dbf3600e50"
@@ -1507,6 +1629,23 @@
     resolve-pathname "^3.0.0"
     tslib "^2.2.0"
 
+"@docusaurus/utils@2.0.0-beta.4":
+  version "2.0.0-beta.4"
+  resolved "https://registry.yarnpkg.com/@docusaurus/utils/-/utils-2.0.0-beta.4.tgz#6e572371b0a59360b49102d014579f5364f1d8da"
+  integrity sha512-6nI3ETBp0ZSt5yp5Fc5nthQjR1MmLgl2rXC3hcscrSUZx0QvzJFzTiRgD9EAIJtR/i2JkUK18eaFiBjMBoXEbQ==
+  dependencies:
+    "@docusaurus/types" "2.0.0-beta.4"
+    "@types/github-slugger" "^1.3.0"
+    chalk "^4.1.1"
+    escape-string-regexp "^4.0.0"
+    fs-extra "^10.0.0"
+    globby "^11.0.4"
+    gray-matter "^4.0.3"
+    lodash "^4.17.20"
+    micromatch "^4.0.4"
+    resolve-pathname "^3.0.0"
+    tslib "^2.2.0"
+
 "@hapi/hoek@^9.0.0":
   version "9.2.0"
   resolved "https://registry.yarnpkg.com/@hapi/hoek/-/hoek-9.2.0.tgz#f3933a44e365864f4dad5db94158106d511e8131"
@@ -2212,7 +2351,7 @@ atob@^2.1.2:
   resolved "https://registry.yarnpkg.com/atob/-/atob-2.1.2.tgz#6d9517eb9e030d2436666651e86bd9f6f13533c9"
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
-autoprefixer@^10.2.0:
+autoprefixer@^10.2.0, autoprefixer@^10.2.5:
   version "10.2.6"
   resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.2.6.tgz#aadd9ec34e1c98d403e01950038049f0eb252949"
   integrity sha512-8lChSmdU6dCNMCQopIf4Pe5kipkAGj/fvTMslCsih0uHpOrXOPUEVOmYMMqmw3cekQkSD7EhIeuYl5y0BLdKqg==
@@ -2224,18 +2363,6 @@ autoprefixer@^10.2.0:
     normalize-range "^0.1.2"
     postcss-value-parser "^4.1.0"
 
-autoprefixer@^10.2.5:
-  version "10.2.5"
-  resolved "https://registry.yarnpkg.com/autoprefixer/-/autoprefixer-10.2.5.tgz#096a0337dbc96c0873526d7fef5de4428d05382d"
-  integrity sha512-7H4AJZXvSsn62SqZyJCP+1AWwOuoYpUfK6ot9vm0e87XD6mT8lDywc9D9OTJPMULyGcvmIxzTAMeG2Cc+YX+fA==
-  dependencies:
-    browserslist "^4.16.3"
-    caniuse-lite "^1.0.30001196"
-    colorette "^1.2.2"
-    fraction.js "^4.0.13"
-    normalize-range "^0.1.2"
-    postcss-value-parser "^4.1.0"
-
 axios@^0.21.1:
   version "0.21.1"
   resolved "https://registry.yarnpkg.com/axios/-/axios-0.21.1.tgz#22563481962f4d6bde9a76d516ef0e5d3c09b2b8"
@@ -2454,7 +2581,7 @@ browserslist@4.14.2:
     escalade "^3.0.2"
     node-releases "^1.1.61"
 
-browserslist@^4.0.0, browserslist@^4.14.5, browserslist@^4.16.0, browserslist@^4.16.3, browserslist@^4.16.6:
+browserslist@^4.0.0, browserslist@^4.14.5, browserslist@^4.16.0, browserslist@^4.16.6:
   version "4.16.6"
   resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.16.6.tgz#d7901277a5a88e554ed305b183ec9b0c08f66fa2"
   integrity sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==
@@ -2559,7 +2686,7 @@ caniuse-api@^3.0.0:
     lodash.memoize "^4.1.2"
     lodash.uniq "^4.5.0"
 
-caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001125, caniuse-lite@^1.0.30001196, caniuse-lite@^1.0.30001219:
+caniuse-lite@^1.0.0, caniuse-lite@^1.0.30001125, caniuse-lite@^1.0.30001219:
   version "1.0.30001228"
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001228.tgz#bfdc5942cd3326fa51ee0b42fbef4da9d492a7fa"
   integrity sha512-QQmLOGJ3DEgokHbMSA8cj2a+geXqmnpyOFT0lhQV6P3/YOJvGDEwoedcwxEQ30gJIwIIunHIicunJ2rzK5gB2A==
@@ -4065,7 +4192,7 @@ forwarded@~0.1.2:
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
   integrity sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=
 
-fraction.js@^4.0.13, fraction.js@^4.1.1:
+fraction.js@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/fraction.js/-/fraction.js-4.1.1.tgz#ac4e520473dae67012d618aab91eda09bcb400ff"
   integrity sha512-MHOhvvxHTfRFpF1geTK9czMIZ6xclsEor2wkIGYYq+PxcQqT7vStJqjhe6S1TenZrMZzo+wlqOufBDVepUEgPg==
@@ -4248,10 +4375,10 @@ globby@11.0.1:
     merge2 "^1.3.0"
     slash "^3.0.0"
 
-globby@^11.0.1, globby@^11.0.2, globby@^11.0.3:
-  version "11.0.3"
-  resolved "https://registry.yarnpkg.com/globby/-/globby-11.0.3.tgz#9b1f0cb523e171dd1ad8c7b2a9fb4b644b9593cb"
-  integrity sha512-ffdmosjA807y7+lA1NM0jELARVmYul/715xiILEjo3hBLPTcirgQNnXECn5g3mtR8TOLCVbkfua1Hpen25/Xcg==
+globby@^11.0.1, globby@^11.0.2, globby@^11.0.3, globby@^11.0.4:
+  version "11.0.4"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-11.0.4.tgz#2cbaff77c2f2a62e71e9b2813a67b97a3a3001a5"
+  integrity sha512-9O4MVG9ioZJ08ffbcyVYyLOJLk5JQ688pJ4eMGLpdWLHq/Wr1D9BlriLQyL0E+jbkuePVZXYFj47QM/v093wHg==
   dependencies:
     array-union "^2.1.0"
     dir-glob "^3.0.1"
@@ -5642,7 +5769,7 @@ micromatch@^3.1.10, micromatch@^3.1.4:
     snapdragon "^0.8.1"
     to-regex "^3.0.2"
 
-micromatch@^4.0.2:
+micromatch@^4.0.2, micromatch@^4.0.4:
   version "4.0.4"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.4.tgz#896d519dfe9db25fce94ceb7a500919bf881ebf9"
   integrity sha512-pRmzw/XUcwXGpD9aI9q/0XOwLNygjETJ8y0ao0wdqprrzDa4YnxLcz7fQRZr8voh8V10kGhABbNcHVk5wHgWwg==
@@ -6616,16 +6743,7 @@ postcss-zindex@^5.0.1:
   resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-5.0.1.tgz#c585724beb69d356af8c7e68847b28d6298ece03"
   integrity sha512-nwgtJJys+XmmSGoYCcgkf/VczP8Mp/0OfSv3v0+fw0uABY4yxw+eFs0Xp9nAZHIKnS5j+e9ywQ+RD+ONyvl5pA==
 
-postcss@^8.2.15, postcss@^8.2.4:
-  version "8.3.0"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.0.tgz#b1a713f6172ca427e3f05ef1303de8b65683325f"
-  integrity sha512-+ogXpdAjWGa+fdYY5BQ96V/6tAo+TdSSIMP5huJBIygdWwKtVoB5JWZ7yUd4xZ8r+8Kvvx4nyg/PQ071H4UtcQ==
-  dependencies:
-    colorette "^1.2.2"
-    nanoid "^3.1.23"
-    source-map-js "^0.6.2"
-
-postcss@^8.3.5:
+postcss@^8.2.15, postcss@^8.2.4, postcss@^8.3.5:
   version "8.3.5"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.3.5.tgz#982216b113412bc20a86289e91eb994952a5b709"
   integrity sha512-NxTuJocUhYGsMiMFHDUkmjSKT3EdH4/WbGF6GCi1NDGk+vbcUTun4fpbOqaPtD8IIsztA2ilZm2DhYCuyN58gA==
@@ -8144,12 +8262,7 @@ tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.0.3, tslib@^2.1.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.2.0.tgz#fb2c475977e35e241311ede2693cee1ec6698f5c"
-  integrity sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==
-
-tslib@^2.2.0:
+tslib@^2.0.3, tslib@^2.1.0, tslib@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.0.tgz#803b8cdab3e12ba581a4ca41c8839bbb0dacb09e"
   integrity sha512-N82ooyxVNm6h1riLCoyS9e3fuJ3AMG2zIZs2Gd1ATcSFjSA23Q0fzjjZeh0jbJvWVDZ0cJT8yaNNaaXHzueNjg==