Add renderFog Spec Constant + Animations and renderSky options

[thr3343]

Adds basic Graphics options inspired by Optifine, namely Animation, Sky and Render Fog toggles

The RenderFog Toggle uses a SPIR-V exclusive feature called Specalization Constants, which enables dynamically modifying shader code during runtime without Shader recompilations

Allowing to the ability to disable specific effects whilst being able to apply shader optimisations at the same time