try to make docs deployment work

Author: eskimoblood

.github/workflows/docs.yml

@@ -1,16 +1,30 @@
-name: CI
+name: github pages
 
-on: 
-  push: 
-    branches: 
-      - master
+on:
+  push:
+    branches:
+    - master
 
 jobs:
-  build:
+  build-deploy:
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v1
 
-    runs-on: [ubuntu-latest]
+    - name: Use Node.js 
+      uses: actions/setup-node@v1
+      with:
+        node-version: 10.x
 
-    steps:
-    - name: GitHub Pages Deploy
-      uses: maxheld83/ghpages@v0.2.1
-      
+    - name: yarn install and test
+      run: |
+        cd side
+        yarn
+        yarn build
+
+    - name: Deploy
+      uses: peaceiris/actions-gh-pages@v2
+      env:
+        PERSONAL_TOKEN: ${{ secrets.PERSONAL_TOKEN }}
+        PUBLISH_BRANCH: gh-pages
+        PUBLISH_DIR: ./side/build