refactor: Cleaning chadrc, moved to custom & moved default_config to core

lua/custom/chadrc.lua

@@ -0,0 +1,29 @@
+-- IMPORTANT NOTE : This is the user config, can be edited. Will be preserved if updated with internal updater
+
+local M = {}
+M.ui, M.options, M.plugin_status, M.mappings, M.custom = {}, {}, {}, {}, {}
+
+-- To use this file, copy the strucutre of `core/default_config.lua`,
+-- then define your new var, an example of setting relative number:
+
+-- M.options = {
+--    relativenumber = true,
+-- }
+
+-- user custom mappings
+-- e.g: name = { "mode" , "keys" , "cmd" , "options"}
+-- name: can be empty or something unique with repect to other custom mappings
+--    { mode, key, cmd } or name = { mode, key, cmd }
+-- mode: usage: mode or { mode1, mode2 }, multiple modes allowed, available modes => :h map-modes,
+-- keys: multiple keys allowed, same synxtax as modes
+-- cmd:  for vim commands, must use ':' at start and add <CR> at the end if want to execute
+-- options: see :h nvim_set_keymap() opts section
+M.custom.mappings = {
+   -- clear_all = {
+   --    "n",
+   --    "<leader>cc",
+   --    "gg0vG$d",
+   -- },
+}
+
+return M