Quality Game Settings Menu, a good looking UI ready for use

Hi, you need to register the variable in the GameSettings blueprint, see step 7.2 in manual.
https://docs.google.com/document/d/1eDri0d6pWJH75Tm7tPPtUaGB7Hb7opStzeXwULUET_o/edit?pref=2&pli=1#heading=h.jyh3dcups8qe