loomio (not yet working), and new config for postgres and redis

postgres/manifest.yaml

@@ -4,10 +4,13 @@ description: PostgreSQL is a powerful, open source object-relational database sy
 version: 1.0.0
 icon: https://www.postgresql.org/media/img/about/press/elephant.png
 defaultConfig:
+  namespace: postgres
+  host: postgres.postgres.svc.cluster.local
+  port: 5432
   database: postgres
   user: postgres
   storage: 10Gi
   image: pgvector/pgvector:pg15
   timezone: UTC
-requiredSecrets:
-  - apps.postgres.password
+defaultSecrets:
+  - key: password