Description:

Generate a new api client class files.

Example:

`rails g api_client path/to/resource get:path/to/resource` --endpoint https://example.com

This will create:
    create  app/api_clients/application_api_client.rb
    create  app/api_clients/path/to/resource_api_client.rb
    invoke  rspec
    create    spec/api_clients/path/to/resource_api_client_spec.rb