[Experimental] Folder tags and mod category changes

[TheGoatGod]

• Add Tags to folders
  • Fm - Feature mods
  • Om - Overhaul mods
  • Im - Items mods
  • Misc - Misc mods
  • Mm - Monster mods
  • MAP - overmap, mapgen ect... mods
  • NM - No mods
• Add a md into doc folder
  • name
  • add tags
  • make sure to add toc stuff and table of contents if larger then 1