update: init layout config

lua/lib/settings.lua

@@ -12,6 +12,9 @@ settings["touchpad_natural_scroll"] = true
 ---@type string
 settings["kb_layout"] = "us"
 
+---@type "dwindle"|"master"|"scrolling"|"monocle"
+settings["default_layout"] = "dwindle"
+
 ---@type "catppuccin"|"catppuccin-mocha"
 settings["colorscheme"] = "catppuccin"