Introduces sync policy

gitops-kaisers-info/apps/values.yaml

     path: gitops-kaisers-info
     repoURL: https://git.kaisers.info/simonkaiser/k8s-kaisers-info.git
     targetRevision: HEAD
-  project: default
+  project: default
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true