[Player] Add player connection screen
[Player] Add player connection form and actions
Merge pull request #3 from ArnaudSpanneut/feature/player

Feature/player
Merge branch 'master' of https://github.com/ArnaudSpanneut/gump into feature/game

* 'master' of https://github.com/ArnaudSpanneut/gump:
  [Player] Add player connection form and actions
  [Player] Add player connection screen

Conflicts:
	app/styles/main.scss