Add test app

apps/templates/test-app.yaml

@@ -0,0 +1,30 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  name: simple-helm
+  namespace: argocd
+spec:
+  destination:
+    name: ''
+    namespace: default
+    server: https://kubernetes.default.svc
+  project: default
+  source:
+    path: simple-with-envs # (1)
+    repoURL: https://github.com/piomin/sample-generic-helm-charts.git 
+    targetRevision: HEAD
+    plugin: # (2)
+      env:
+        - name: HELM_VALUES # (3)
+          value: |
+            image:
+              registry: quay.io
+              repository: pminkows/sample-kotlin-spring
+              tag: "1.4.30"
+
+            app:
+              name: sample-spring-boot-kotlin
+              replicas: 1
+              ports:
+                - name: http
+                  value: 8080