Adjusted draw menu to use new colour palette

Added new colours and renamed variables based on use.
Added GUI infrastructure for weather system
Implemented new spawning control

New spawning system allows placing of spawn blocking, doubling, tripling
or quadrupling. Currently disabled due to recursion error.
Fixed player animation bug
Reorganised objects folder

Reorganised objects by type and moved Entities folder to be outside
Combat Engine folder.
Added sprites for inventory and pause menu
Added folder for combat sprites