Solas Shader

Features added/changed:

• Added WIP resourcepack PBR support with POM, SSS and specular
• Tweaked bloom
• Made fake gi more defined and directional
• Added new config options

Features fixed:

• Fixed black world issue with colored lighting and global illumination (hopefully)
• Fixed rain puddles
• Fixed improper specular highlight
• Fixed VL behaving weirdly on Apple silicon machines