feat(devops): automated first-time contributor triage workflow

.github/workflows/onboarding-bot.yml

@@ -0,0 +1,49 @@
+name: "Contributor Onboarding & Triage"
+
+on:
+  issues:
+    types: [opened]
+  workflow_dispatch:
+
+jobs:
+  welcome:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - name: "First Interaction Triage"
+        uses: actions/first-interaction@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          issue-message: |
+            ##  Welcome to Gitbun! 
+            @${{ github.event.issue.user.login }}, thank you for opening this issue. We appreciate you helping us improve!
+
+            **Quick Checklist:**
+            - [ ] Have you checked if a similar [issue](https://github.com/nirvik34/gitbun/issues) already exists?
+            - [ ] Have you read our [Contributing Guidelines](https://github.com/nirvik34/gitbun/blob/main/CONTRIBUTING.md)?
+
+            A maintainer will review your report shortly. In the meantime, ensure your description provides enough context for us to help you!
+
+
+      - name: "Add Triage Label"
+        uses: actions/github-script@v7
+        with:
+          script: |
+            if (!context.payload.issue) return;
+            const response = await github.rest.issues.listForRepo({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              creator: context.payload.issue.user.login,
+              state: 'all',
+              per_page: 2 
+            });
+
+            if (response.data.length <= 1) {
+              await github.rest.issues.addLabels({
+                issue_number: context.issue.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                labels: ['triage']
+              });
+            }