test: add test workflow

.gitea/workflows/test.yaml

@@ -0,0 +1,16 @@
+name: Test Runner
+
+on:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: k3s-home
+    steps:
+      - name: Test kubectl
+        run: |
+          echo "Testing kubectl..."
+          kubectl version --client
+          kubectl get pods -n gitea
+          echo "GITHUB_SHA: $GITHUB_SHA"
+          echo "Done!"