I think more information(as comment) is needed.
For example, if use `fake_dynamo`, we'll need other options such as `:dynamo_db_port` and `:use_ssl`.
Please refer to [this file](https://github.com/padrino/padrino-framework/blob/master/padrino-gen/lib/padrino-gen/generators/components/orms/mongoid.rb#L48-L73).