chore(ci): add comment PR workflow

.github/workflows/comment.yml

@@ -0,0 +1,40 @@
+name: Commment PR
+
+on:
+  repository_dispatch:
+    types: [build-start, build-finish]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  comment:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Comment build start message
+        if: ${{ github.event.action == 'build-start' }}
+        uses: thollander/actions-comment-pull-request@v2
+        with:
+          message: |
+            Now I'm building the package for testing. Please be patient.
+          pr_number: ${{github.event.client_payload.pr-number}}
+          comment_tag: ci-bot
+      - name: Comment build finish message
+        if: ${{ github.event.action == 'build-finish' }}
+        uses: thollander/actions-comment-pull-request@v2
+        with:
+          message: |
+            CI build finished. Use the link below to test the packge:
+
+            ```
+            ${{github.event.client_payload.release-url}}
+            ```
+
+            For example, in `npm`:
+
+            ```bash
+            npm i ${{github.event.client_payload.release-url}}
+            ```
+          pr_number: ${{github.event.client_payload.pr-number}}
+          comment_tag: ci-bot