add docker test

.gitea/workflows/docker-test.yml

@@ -0,0 +1,11 @@
+name: Docker Test
+on: [push]
+
+jobs:
+  test-docker:
+    runs on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Run a Docker container
+        run: docker run hello-world