Finished joingame view,state and controller

Finished joingame view, state and controller. Changed mainmenu controller to change to new joingame state when "join game" is pressed.

added 2 commits

• 6691c93d - 1 commit from branch main
• 16a549b0 - Merge branch 'main' into 'join_game_view,controller,state'

Compare with previous version

merged

mentioned in commit 4a51a146