Added Accessibility Module w/ Misc Fix

-- Added new accessibility module
-- Added multiple colour convert functions (rgb to hex, rgb to hsl, hsl to rgb, hex to rgb)
-- Added adjusment function for colours
-- Added check for colourbliness alteration
-- Added colourblindness command uses `accessibility.cb_command` as command string
-- Added menu option to change colourblind options.
-- Added multiple accessibility locale enteries within en.json
-- Added multiple accessibility locale enteries within pt.json (translated via google translate)
-- Fixed disabled not showing up when using qb-menu.
-- Updated init.lua and fxmanifest.lua to include new module entry

fxmanifest.lua

@@ -50,6 +50,7 @@ client_scripts {
     'modules/notify/**/client.lua',
     'modules/dialogue/**/client/*.lua',
     'modules/shops/**/client.lua',
+    'modules/accessibility/client.lua',
     'init.lua',
 }