Create close-issues-when-done.yml

.github/workflows/close-issues-when-done.yml

@@ -0,0 +1,28 @@
+name: Close Issue on Done
+
+on:
+  project_card:
+    types:
+      - moved
+
+jobs:
+  close-issue:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check if in "done" column
+        id: check-done-column
+        run: echo "::set-output name=isDone::${{ contains(github.event.project_card.column_name, 'done') }}"
+
+      - name: Close Issue
+        if: steps.check-done-column.outputs.isDone == 'true'
+        uses: actions/github-script@v5
+        with:
+          script: |
+            const issueId = context.payload.project_card.content_url.split('/').pop();
+            await github.issues.update({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: issueId,
+              state: 'closed'
+            });