AppManager: Add API endpoint to install dodo app

Refactors cue definitions.

Next steps:
* Needs some cleanup, namespace is hard coded ...
* Maybe merge with regular install API
* Support exposing ports across clusters

Change-Id: Ibfc3c3f742b61f2c5874012fe6c77b958eae81d9
diff --git a/core/installer/values-tmpl/jenkins.cue b/core/installer/values-tmpl/jenkins.cue
index 3169853..5d4110e 100644
--- a/core/installer/values-tmpl/jenkins.cue
+++ b/core/installer/values-tmpl/jenkins.cue
@@ -69,7 +69,7 @@
 		}
 	}
 
-	volumes: jenkins: size: "10Gi"
+	volume: jenkins: size: "10Gi"
 
 	helm: {
 		"oauth2-client": {
@@ -140,7 +140,7 @@
 				}
 				persistence: {
 					enabled: true
-					existingClaim: volumes.jenkins.name
+					existingClaim: volume.jenkins.name
 				}
 			}
 		}