AS-3112: Allow app_farms to create schema.

Author: hwang-vividsolutions

farms-liquibase/db_preconditions/schema/farms.ddl.create_farms_schema.sql

@@ -11,4 +11,6 @@ GRANT ALL ON SCHEMA "farms" TO "app_farms";
 
 GRANT ALL ON SCHEMA "farms" TO postgres;
 
-ALTER SCHEMA "farms" OWNER TO "app_farms";
+ALTER SCHEMA "farms" OWNER TO "app_farms";
+
+GRANT CREATE ON DATABASE "farms${ENV}" TO "app_farms";