Super Duper Vanilla Shaders

Version Changelog:
-Enabled shadow optimization
-Reimplemented auto exposure and removed approx. exposure
-Removed emissive based bloom
-Gamma corrected and tonemapped Super Duper Vanilla properly
-Gamma option moved to secret settings and hardcoded to "Standard" and "Legacy" options
-Foliage will have subsurface scattering by default
-Full light sources will have emissive by default
-Rain puddles according to the wetness of the ground in Enviro PBR
-Rain puddles appear more frequently
-Added shadow distance option
-Added more animated foliage and objects
-Added more blocks to Default PBR
-Added porosity material support
-Added intensity options
-Added option subsurface scattering
-Added options for wind and current speed animations
-Added more color options configurations including the dimension colors
-Added new options for sun, moon, and specular intensity
-Adjusted lighting, potion effects, and PBR
-Adjusted underwater caustics
-Adjusted shadow bias
-Adjusted shader settings
-Improved Default PBR calculation
-Improved bloom and emissives
-Improved sky
-Implemented full skybox support
-Implemented world curvature
-Implemented timelapse mode
-Implemented ZA WARUDO in secret settings
-Implemented new sun/moon type: black hole, in the End dimension
-Implemented parallax occlusion mapping
-Implemented film grain (removes color banding)
-Implemented TAA
-Implemented depth of field
-Implemented parallax occlusion self shadows
-Implemented slope normals (@null511) (incompatible in versions below 1.16.5)
-Implemented lens flares
-Tons of optimizations to improve fps
-Squashed a ton of minor and major bugs
-Shader will be able to run on Iris (custom uniforms are broken though and makes the world always in nighttime)