Overhaul 3: Revenge of the README

[KendrickLamar2003]

• Removed shader notice
• Updated Q1 no longer being available
• Added a note that users must be on v51
• Some grammar fixes
• Updated Installation guide, and added a warning for those on v53+
• Added a link that takes you to the SideQuest Download Page
• Rephrased Vulkan and Zink descriptions
• Added two solutions for mod-related crashes
• Divided Included Mods into two sections, Non-Performance Mods and Performance Mods
• Removed MaLiLib and Cull Less Leaves and added Noxesium and More Culling (as per mods.json)

Credits to Divea for helping me out with this one!

[KendrickLamar2003]

ALRIGHT! This PR is finally done!

[Novampr]

credits, didnt expect that, thanks dude, also no problem for the help :)