module Rails::Generators::Actions

def initializer(filename, data = nil)


end
%(API_KEY = "123456")
initializer "api.rb" do

RUBY
API_KEY = "123456"
initializer "api.rb", <<~RUBY

specified as an argument or as the return value of the block.
Creates an initializer file in +config/initializers/+. The code can be 
def initializer(filename, data = nil)
  log :initializer, filename
  data ||= yield if block_given?
  create_file("config/initializers/#{filename}", optimize_indentation(data), verbose: false)
end