[chef] With chef generate app, cookbook folder not added to git

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Hi!

I'm using chef-dk, and when I chef generate app foo, I see that the only these
files are added to git:

-- .gitignore
-- .kitchen.yml
-- README.md

The cookbooks folder is ignored in .gitignore. Is it intended?

foo
├── cookbooks
│   └── foo
│       ├── Berksfile
│       ├── chefignore
│       ├── metadata.rb
│       └── recipes
│       └── default.rb
├── .gitignore
├── .kitchen.yml
└── README.md

Should I git init inside the cookbooks folder and version control the 
cookbooks
separately?

Thank you

David Gil