ci: add first Gitea Actions workflow

.gitea/workflows/ci.yml

@@ -0,0 +1,30 @@
+name: DevOps Lab CI
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  smoke-test:
+    name: Test repository
+    runs-on: lab-host
+
+    steps:
+      - name: Checkout repository
+        uses: builtin:checkout
+
+      - name: Run smoke tests
+        run: |
+          set -eu
+
+          echo "Running CI pipeline"
+          echo "Current user: $(whoami)"
+
+          git --version
+          test -f README.md
+
+          echo "All checks passed!"