Added Nitrado Support

[ItsMeStevieG]

The docs/ directory is what powers the website oauth2-client.thephpleague.com. Modifying links to work in the Github file browser will break the website. Please do not open a new Pull Request to "fix the broken documentation links"; they will be promptly closed.

[codecov[bot]]

Codecov Report

Merging #876 (b278e84) into master (be34d21) will not change coverage. The diff coverage is n/a.

@@             Coverage Diff             @@
##              master      #876   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity       180       180           
===========================================
  Files             20        20           
  Lines            464       464           
===========================================
  Hits             464       464           

[ramsey]

Can you please add tests to your oauth2-nitrado repository? We try to ensure all packages listed in our third-party providers list have tests. Thanks!

[shadowhand]

Please create a new PR, this one cannot be merged due to conflicts.