code: func (c *Client) CreateGithubAuthRequest(req services.GithubAuthRequest) (*services.GithubAuthRequest, error) {
  	out, err := c.PostJSON(c.Endpoint("github", "requests", "create"),
  		createGithubAuthRequestReq{Req: req})
  	if err != nil {
  		return nil, trace.Wrap(err)
  	}
  	var response services.GithubAuthRequest
  	if err := json.Unmarshal(out.Bytes(), &response); err != nil {
  		return nil, trace.Wrap(err)
  	}
  	return &response, nil
  }
docs: // CreateGithubAuthRequest creates a new request for Github OAuth2 flow