Add flow-0.10.16 and update documentation

examples/values.yaml

@@ -1150,7 +1150,10 @@ keycloak:
   command: "start"
 
   # -- Keycloak uses the shared Flow PostgreSQL database by default.
-  # A dedicated "keycloak" database is created via an init script.
+  # When using the chart's internal PostgreSQL, the keycloak database. user, and
+  # password are created automatically by the PostgreSQL init script.
+  # When using external PostgreSQL, you must pre-create the database and user
+  # and provide the connection details below.
   database:
     # -- Use a separate database instance for Keycloak (set to true for dedicated DB)
     dedicated: false