feat(ci): Add Reviewdog for Prettier formatting

.github/workflows/reviewdog.yml

@@ -0,0 +1,30 @@
+name: reviewdog
+
+on:
+  - pull_request
+
+jobs:
+  prettier:
+    # do not run on forks
+    if: github.repository == 'mdn/content'
+    name: prettier
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v3
+        with:
+          node-version-file: ".nvmrc"
+          cache: yarn
+
+      - name: Install all yarn packages
+        run: yarn --frozen-lockfile
+        env:
+          # https://github.com/microsoft/vscode-ripgrep#github-api-limit-note
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Submit suggestion
+        uses: reviewdog/action-suggester@v1
+        with:
+          tool_name: prettier