Add a `ditty init` command to kickstart a ditty project

[jrgns]

• It takes a project name as an argument
• It creates a folder named the same as the project
• It creates the necessary folders and files to start a ditty project
  • config.ru file
  • Gemfile file
  • Rakefile file
  • config/settings.yml file
  • config/puma.rb file
  • views folder
• It runs the ditty:prep rake command

Once executed the user should be able to cd into the project folder and run ditty server which will start the base system without any issues.