Merge branch 'master' of github.com:javascript-tutorial/server

Author: dvmhmdsd

package.json

@@ -42,13 +42,15 @@
     "koa-mount": "^3",
     "koa-router": "^7",
     "koa-static": "^5",
+    "limax": "^2.0.0",
     "lodash": "*",
     "markdown-it": "*",
     "markdown-it-container": "*",
     "markdown-it-deflist": "*",
     "mime": "^2.3",
     "mini-css-extract-plugin": "^0",
     "minimatch": "^3.0.4",
+    "mongoose": "^5.9.5",
     "multiparty": "*",
     "mz": "*",
     "nib": "*",