* grammar error fixer in CONTRIBUTING.md
* scanning private git repository is available
* giturl to gitapi
* NO TOKEN error functionality added
* Used GetToken method of giturl.IGitAPPI for auth
Co-authored-by: satyam kale <satyamkale271@gmail.com>
Co-authored-by: Ben Hirschberg <59160382+slashben@users.noreply.github.com>