Add unit tests for KubernetesCluster, Tenant, ServiceInstance, and RegisterClusterHandler

- Implement tests for KubernetesCluster including registration, connectivity status, and error handling.
- Create tests for Tenant creation, member management, and status changes.
- Add tests for ServiceInstance provisioning and state management.
- Introduce RegisterClusterHandler tests to validate registration requests and error scenarios.
- Set up project files for new test projects with necessary dependencies.

.gitea/workflows/helm.yaml

@@ -0,0 +1,48 @@
+name: Package Helm Chart
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'Charts/**'
+  pull_request:
+    branches: [main]
+    paths:
+      - 'Charts/**'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Helm
+        uses: azure/setup-helm@v4
+        with:
+          version: v3.16.0
+
+      - name: Lint chart
+        run: helm lint Charts/entkube
+
+  package:
+    runs-on: ubuntu-latest
+    needs: lint
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Helm
+        uses: azure/setup-helm@v4
+        with:
+          version: v3.16.0
+
+      - name: Package chart
+        run: helm package Charts/entkube --destination .helm-packages/
+
+      - name: Login to Helm OCI registry
+        run: echo "${{ secrets.REGISTRY_PASSWORD }}" | helm registry login ${{ vars.REGISTRY_HOST }} --username ${{ vars.REGISTRY_USER }} --password-stdin
+
+      - name: Push chart to OCI registry
+        run: helm push .helm-packages/entkube-*.tgz oci://${{ vars.REGISTRY_HOST }}/entkube