Switch to yarn and new github action

.github/workflows/deploy.yml

@@ -1,53 +1,37 @@
-name: deploy
+name: Deploy to GitHub Pages
 
 on:
-  pull_request:
-    branches: [main]
   push:
     branches: [main]
+    paths: [website/**]
 
 jobs:
-  checks:
-    if: github.event_name != 'push'
+  deploy:
+    name: Deploy to GitHub Pages
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
         with:
-          node-version: '12.x'
-      - name: Test Build
+          node-version: 14.x
+          cache: yarn
+      - name: Build website
+        working-directory: website
         run: |
-          if [ -e yarn.lock ]; then
           yarn install --frozen-lockfile
-          elif [ -e package-lock.json ]; then
-          npm ci
-          else
-          npm i
-          fi
-          npm run build
-  gh-release:
-    if: github.event_name != 'pull_request'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v1
+          yarn build
+
+      # Popular action to deploy to GitHub Pages:
+      # Docs: https://github.com/peaceiris/actions-gh-pages#%EF%B8%8F-docusaurus
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
         with:
-          node-version: '12.x'
-      - uses: webfactory/ssh-agent@v0.5.0
-        with:
-          ssh-private-key: ${{ secrets.GH_PAGES_DEPLOY }}
-      - name: Release to GitHub Pages
-        env:
-          USE_SSH: true
-          GIT_USER: git
-        run: |
-          git config --global user.email "technobaboo@gmail.com"
-          git config --global user.name "technobaboo"
-          if [ -e yarn.lock ]; then
-          yarn install --frozen-lockfile
-          elif [ -e package-lock.json ]; then
-          npm ci
-          else
-          npm i
-          fi
-          npm run deploy
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          # Build output to publish to the `gh-pages` branch:
+          publish_dir: ./website/build
+          # Assign commit authorship to the official GH-Actions bot for deploys to `gh-pages` branch:
+          # https://github.com/actions/checkout/issues/13#issuecomment-724415212
+          # The GH actions bot is used by default if you didn't specify the two fields.
+          # You can swap them out with your own user credentials.
+          user_name: github-actions[bot]
+          user_email: 41898282+github-actions[bot]@users.noreply.github.com