Update documentation workflow so that it is done in the docs folder

Author: Julien Neuhart

.github/workflows/documentation.yaml

@@ -17,6 +17,7 @@ jobs:
           node-version: '12.x'
       - name: Test Build
         run: |
+          cd docs
           if [ -e yarn.lock ]; then
           yarn install --frozen-lockfile
           elif [ -e package-lock.json ]; then
@@ -51,6 +52,7 @@ jobs:
           USE_SSH: true
           GIT_USER: git
         run: |
+          cd docs
           git config --global user.email "actions@gihub.com"
           git config --global user.name "gh-actions"
           if [ -e yarn.lock ]; then

docs/package.json

@@ -11,8 +11,8 @@
     "serve": "docusaurus serve"
   },
   "dependencies": {
-    "@docusaurus/core": "2.0.0-alpha.69",
-    "@docusaurus/preset-classic": "2.0.0-alpha.69",
+    "@docusaurus/core": "2.0.0-alpha.70",
+    "@docusaurus/preset-classic": "2.0.0-alpha.70",
     "@mdx-js/react": "^1.5.8",
     "clsx": "^1.1.1",
     "react": "^16.8.4",