Gh-license

* New GitLab provider
* Simplified code moving licenses data to a json file, prop fatualux
* Various bug (also tu update the setup system)

New version released https://pypi.org/project/gh-license/0.2.8/ include a bugfix on github scanning

* Bugfixes

Added EUPL 1.2 license

* Error on loading Providers
* Fix on GitHub provider

Thanks to many contributors with hacktoberfest this new version has new features and improvements:

* support for pylint
* more documentation and better code organization
* git hook for pre-commit to check if there are license in the repo
* remember the last licenses used
* command to see a list of all the licenses