feat(cluster)!: move charts into their own fluxtomization

Signed-off-by: Devin Buhl <devin@buhl.casa>

cluster/base/apps.yaml

@@ -5,7 +5,7 @@ metadata:
   name: apps
   namespace: flux-system
 spec:
-  interval: 10m0s
+  interval: 10m
   dependsOn:
     - name: core
   path: ./cluster/apps
@@ -18,7 +18,6 @@ spec:
     secretRef:
       name: sops-age
   postBuild:
-    substitute: {}
     substituteFrom:
       - kind: ConfigMap
         name: cluster-settings