Prismarine Shader

1) Added fireflies to the Overworld! They're visible at night (if enabled)
2) Added End nebulas
3) Added new ray marcher for volumetric clouds which improved their performance, fixed some bugs and allowed me to raymarch as far as I want
4) Added fog light absorption. Basically makes the fog brighter when it's closer to the sun
5) Added translucents refraction. Disabled by default
6) Made bloom better. Added radius, contrast, flickering and balancing options
7) Fixed underwater light shafts conflicting with colored shadows
8) Modified nebulas shape
9) Added nebula stars option
10) Modified caustic noise. Now it looks a lot fancier and realistic
11) Added lightmap brightness recolor option. Makes brighter parts yellow and dimmer parts blue. RGB values can be configured in settings
12) Added lightmap dim parts cutoff option. Cuts off the dim parts of the lightmap. Disabled by default
13) Recolored quite a bit of things to give the shader more consistent and visually pleasing look
14) Reorganized some settings menus
15) Updated Prismarine's base BSL to 8.1
17) Replaced bayer dithering with interleaved gradient noise which finally made VL look consistent and beautiful
18) Handlight colored lighting now mixes the held block's color with color of other blocks
19) A lot of other tweaks and modified values which really don't worth to be mentioned here