Comment failure action.

.github/workflows/ci.yml

@@ -21,5 +21,12 @@ jobs:
       - run: mkdocs build --strict
       - run: npm install
       - run: node .github/manual_lint.js
+      - name: Comment
+        if: always()
+        uses: thollander/actions-comment-pull-request@v1
+        with:
+          message: '只有通过自动化检查的合并请求才会被人工审批，请确保此 Pull Request 能够通过自动化检查！'
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - uses: quipper/comment-failure-action@v0.1.1
         # Suppress 036 Emphasis used instead of a header
         # Suppress 024 Multiple headers with the same content