screen resolution fixed

-- ADDED MULTIPLAYER --
- you can play with up to 3 friends now
- I hope it isn't buggy (it wasn't with what I tested)

-- OTHER CHANGES --
- Made base passive HP regen higher for every character
- buffed the holy bandaid (the relic that increases passive HP regen)
- made the item selector UI clearer that you pick one of the three
-made relic descriptions more descriptive when opening a chest, most will now show the number bonus you get for picking the relic
- reduced the spawns of enemies during boss fights
- buffed the healing roots ability item, increasing size and healing rate
- added an fps cap option in settings
- fixed some bugs with the UI and pause menu
- some other things