diff --git a/.github/ISSUE_TEMPLATE/close_pr.yml b/.github/ISSUE_TEMPLATE/close_pr.yml
new file mode 100644
index 0000000000..0d0cc57ea9
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/close_pr.yml
@@ -0,0 +1,14 @@
+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: superbrothers/close-pull-request@v3
+      with:
+        # Optional. Post a issue comment just before closing a pull request.
+        comment: "Congratulations! You have completed the lab. Closing for maintainence purpose."
diff --git a/ebey-Introduction-to-Git-and-GitHub b/ebey-Introduction-to-Git-and-GitHub
new file mode 160000
index 0000000000..83026bb2b9
--- /dev/null
+++ b/ebey-Introduction-to-Git-and-GitHub
@@ -0,0 +1 @@
+Subproject commit 83026bb2b9688feea1dea289ca22efd7209440dd