**Description** The Frappe framework supports both MariaDB and Postgres as databases. Please add support in frappe manager as well. **Use Case** This will allow users to create Postgres-based apps using frappe manager **Expected Behavior** `--db-type` option should be available for `fm create` command, which will setup the Postges DB instead of MariaDB. **Current Behavior (if applicable)** Only MariaDB is available.