feat: ai with both i3 & hyprland

replace archcraft's icon by snowflake(nixos)
feat: update waybar's settings

modules/nixos/user-group.nix

@@ -1,6 +1,8 @@
 { ... }:
 
 {
+  nix.settings.trusted-users = ["ryan"];
+
   users.groups = {
     ryan = { };
     docker = { };