AppManager: cache helm charts and container images to local registry

Caching container images is disabled until we figure out how to run
container registry behind TLS.

Change-Id: I0253f2a862e5adddff18a82b102f67258151c070
diff --git a/core/installer/values-tmpl/cert-manager.cue b/core/installer/values-tmpl/cert-manager.cue
index 9f9b5d1..4b6154a 100644
--- a/core/installer/values-tmpl/cert-manager.cue
+++ b/core/installer/values-tmpl/cert-manager.cue
@@ -35,20 +35,16 @@
 
 charts: {
 	certManager: {
-		chart: "charts/cert-manager"
-		sourceRef: {
-			kind: "GitRepository"
-			name: "pcloud"
-			namespace: global.pcloudEnvName
-		}
+		kind: "GitRepository"
+		address: "https://github.com/giolekva/pcloud.git"
+		branch: "main"
+		path: "charts/cert-manager"
 	}
 	dnsChallengeSolver: {
-		chart: "charts/cert-manager-webhook-pcloud"
-		sourceRef: {
-			kind: "GitRepository"
-			name: "pcloud"
-			namespace: global.pcloudEnvName
-		}
+		kind: "GitRepository"
+		address: "https://github.com/giolekva/pcloud.git"
+		branch: "main"
+		path: "charts/cert-manager-webhook-pcloud"
 	}
 }