Added new clouds shader with improved raymarching loop
Currently only being used in main menu (rest is coming right up!)
Removed WWise (it's nice, but all it's doing is throwing exceptions rn since we ain't about to get a license)
Implemented saving/loading of custom input settings
Incorporated Input Screen in game
Organized UI scripts into folders
Deleted some unused UI scripts
Reimplemented Fog Blur (by copying modified DoF to assets)
Copied Main Menu to gameplay scene
Added Pause functionality (ESC key)
Save & Restore discovered zones
Applied vertical offset to asteroids (no more intersections!)
Nebula shader optimized to improve early exit
Nebula shader outputs light scattering to second render target
Modified depth of field shader to use nebula light scattering
Added Main Menu scene
Tweaked world map to incorporate secondary colors in zone icons + glowing links
Entity Serialization is now generic
Zone Serialization now includes entities
Fixed bug where wormhole traversal would unbind from player entity
Game Manager no longer spawns entities (loadout file format changed)
Wrote extension to randomly select weighted items from collections (for generating enemies)
