ci: add test workflow

.github/workflows/test.yaml

@@ -0,0 +1,31 @@
+name: Test
+
+on:
+  push:
+    branches: 
+      - main
+  pull_request:
+    branches: 
+      - main
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup Helm
+        uses: azure/[email protected]
+        id: install
+        with:
+          version: v3.14.4
+
+      - name: Setup kubeconform-helm
+        run: helm plugin install https://github.com/jtyr/kubeconform-helm
+
+      - name: Test
+        run: helm kubeconform .
+

.kubeconform

@@ -0,0 +1,7 @@
+schema-location:
+  - "default"
+  - "https://github.com/datreeio/CRDs-catalog/raw/main/monitoring.coreos.com/servicemonitor_v1.json"
+output: "pretty"
+verbose: true
+strict: true
+summary: true