test: check git clone connectivity

.forgejo/workflows/test-clone.yml

@@ -0,0 +1,27 @@
+name: Test Git Clone
+
+on:
+  push:
+    branches: [main, master]
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: docker
+    steps:
+      - name: Test clone
+        run: |
+          echo "Testing DNS..."
+          nslookup git.khoavo.myds.me || echo "DNS failed"
+          echo "---"
+          echo "Testing curl..."
+          curl -s -o /dev/null -w "%{http_code}" https://git.khoavo.myds.me/vndangkhoa/kv-tube || echo "curl failed"
+          echo ""
+          echo "---"
+          echo "Testing git clone..."
+          git clone https://git.khoavo.myds.me/vndangkhoa/kv-tube.git /tmp/test-clone 2>&1 || echo "Clone failed"
+          echo "---"
+          if [ -d /tmp/test-clone ]; then
+            echo "Clone succeeded!"
+            cd /tmp/test-clone && git log --oneline -3
+          fi