module Github::Authorization

* gist - write access to gists.
* repo - DB read/write access, and Git read access to public and private repos.
* public_repo - DB read/write access, and Git read access to public repos.
* user - DB read/write access to profile info only.
* (no scope) - public read-only access (includes public user profile info, public repo info, and gists).
Available scopes:
* :scope - Optional string. Comma separated list of scopes.
* :redirect_uri - Optional string.
= Parameters
Sends authorization request to GitHub.

def authorize_url(params = {})
  _verify_client
  client.auth_code.authorize_url(params)
end