Add build ci

.gitea/workflows/ci.yaml

@@ -0,0 +1,13 @@
+name: OBS build
+run-name: build
+on: [pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - name: List files in the repository
+        run: |
+          ls ${{ gitea.workspace }}