chore(ci): add pr contributor welcome workflow

.github/workflows/pr-contributor-welcome.yml

@@ -0,0 +1,37 @@
+name: PullRequest Contributor Welcome
+
+on:
+  pull_request_target:
+    types:
+      - closed
+#    paths:
+#      - 'components/**'
+
+permissions:
+  contents: read
+
+jobs:
+  comment:
+    permissions:
+      issues: write # for actions-cool/maintain-one-comment to modify or create issue comments
+      pull-requests: write # for actions-cool/maintain-one-comment to modify or create PR comments
+    if: github.event.pull_request.merged == true && github.repository == 'vuepont/ai-elements-vue'
+    runs-on: ubuntu-latest
+    steps:
+      - name: get commit count
+        id: get_commit_count
+        run: |
+          PR_AUTHOR=$(echo "${{ github.event.pull_request.user.login }}")
+          RESULT_DATA=$(curl -s "https://api.github.com/repos/${{ github.repository }}/commits?author=${PR_AUTHOR}&per_page=5")
+          DATA_LENGTH=$(echo $RESULT_DATA | jq 'if type == "array" then length else 0 end')
+          echo "COUNT=$DATA_LENGTH" >> $GITHUB_OUTPUT
+      - name: Comment on PR
+        if: steps.get_commit_count.outputs.COUNT < 3
+        uses: actions-cool/maintain-one-comment@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          body: |
+            🎉 Thx for the PR @${{ github.event.pull_request.user.login }}
+
+            <!-- WELCOME_CONTRIBUTION -->
+          body-include: <!-- WELCOME_CONTRIBUTION -->