rework: removed old get functions from each language to use utils

instead and changed run in each language to use new system to be simpler

feat: added aux_files for c/c++ and reworked them to work with new
update

lua/Polydev/languages/html.lua

@@ -1,13 +1,9 @@
----@type table
 local M = {}
 
----@type table|nil
-M.opts = nil
+M.opts = {}
 
----@param opts table
 function M.setup(opts)
     M.opts = vim.tbl_deep_extend("force", {}, require("Polydev.configs").get("html"), opts or {})
 end
 
----@return table
 return M