Description:

Stubs out a new service. Pass the service name, either
   CamelCased or under_scored, and an optional list of its methods as arguments. MEHAK SINGLA

   To create a service within a module, just add --module NAME, or --module=NAME

   This generates a service class in app/services, or app/services/module if module name is present.

Example:

`rails generate service MailerService send receive --module MailerModule`

This will create:
    app/services/mailer_module/mailer_service.rb