avoid yaml confusion in postgres manifests

manifests/complete-postgres-manifest.yaml

@@ -1,6 +1,5 @@
 apiVersion: "acid.zalan.do/v1"
 kind: postgresql
-
 metadata:
   name: acid-test-cluster
 spec:
@@ -24,8 +23,11 @@ spec:
   - 127.0.0.1/32
   databases:
     foo: zalando
+
 # Expert section
+
   enableShmVolume: true
+# spiloFSGroup: 103
   postgresql:
     version: "10"
     parameters:
@@ -39,7 +41,6 @@ spec:
     limits:
       cpu: 300m
       memory: 300Mi
-  # spiloFSGroup: 103
   patroni:
     initdb:
       encoding: "UTF8"

manifests/minimal-postgres-manifest.yaml

@@ -9,16 +9,11 @@ spec:
     size: 1Gi
   numberOfInstances: 2
   users:
-    # database owner
+    zalando: # database owner
-    zalando:
     - superuser
     - createdb
-
+    foo_user: [] # role for application foo
-    # role for application foo
-    foo_user: []
-
-  #databases: name->owner
   databases:
-    foo: zalando
+    foo: zalando # dbname: owner
   postgresql:
     version: "10"