more!!! add python support and formatters and null ls to manage all...

that automatically also change my stylua.toml to ignore everything
cause I don't like the way it formats stuff

lua/core/snippets.lua

@@ -22,6 +22,6 @@ ts_postfix = require("luasnip.extras.treesitter_postfix").treesitter_postfix
 postfix = require("luasnip.extras.postfix").postfix
 ms = ls.multi_snippet
 
-function file_name(_, _, _)
+file_name = function(_, _, _)
   return vim.fn.expand("%:t:r")
 end