Add issue comment workflow

.github/workflows/comment-new-issue.yaml

@@ -0,0 +1,32 @@
+name: Add comment to new issue
+on:
+  issues:
+    types:
+      - opened
+
+jobs:
+  add-comment:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    steps:
+      - name: Add comment
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{secrets.GITHUB_TOKEN}}
+          script: |
+            const issueComment = `
+              Hello @${{ github.event.issue.user.login }} :wave:,
+
+              Please note that the core maintainer of this repository will not be available for support or any work on this repo for the upcoming months. As a result, new features will not be added during this period. Only additions or updates of new questions or study resources will be accepted. 
+
+              We encourage you to follow the [CONTRIBUTING](https://github.com/FidelusAleksander/ghcertified/blob/master/CONTRIBUTING.md) guide and raise pull requests with fixes for content issues you find. Content pull requests will be reviewed by another maintainer.
+
+              Thank you for your understanding and contribution! :rocket:
+            `;
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: issueComment
+            });