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/open-project.cue b/core/installer/values-tmpl/open-project.cue
index 6598094..10234b4 100644
--- a/core/installer/values-tmpl/open-project.cue
+++ b/core/installer/values-tmpl/open-project.cue
@@ -63,7 +63,7 @@
 		}
 	}
 
-	volumes: {
+	volume: {
 		openProject: {
 			name: "open-project"
 			accessMode: "ReadWriteMany"
@@ -99,7 +99,7 @@
 				}
 				persistence: {
 					enabled: true
-					existingClaim: volumes.openProject.name
+					existingClaim: volume.openProject.name
 				}
 				postgresql: {
 					bundled: false
@@ -129,7 +129,7 @@
 		}
 		"open-project-volume": {
 			chart: charts.volume
-			values: volumes.openProject
+			values: volume.openProject
 		}
 		postgres: {
 			chart: charts.postgres