feat: add theme toggle btn | update theme plugin path

lua/core/default_config.lua

@@ -20,7 +20,8 @@ M.options = {
 M.ui = {
    hl_override = {},
    changed_themes = {},
-   colors = "", -- path of your file that contains colors
+   colors = {}, -- dynamically generated, never edit this in chadrc
+   theme_toggle = { "onedark", "one_light" },
    theme = "onedark", -- default theme
    transparency = false,
 }

lua/core/options.lua

@@ -4,6 +4,7 @@ local g = vim.g
 -- use filetype.lua instead of filetype.vim
 g.did_load_filetypes = 0
 g.do_filetype_lua = 1
+g.toggle_theme_icon = "   "
 
 opt.confirm = true
 opt.laststatus = 3 -- global statusline