Add network manager applet in packages

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/gui/networking/default.nix

@@ -2,9 +2,10 @@
   user ? throw "user argument is required",
   home ? throw "home argument is required",
 }:
-{ ... }:
+{ pkgs, ... }:
 {
   home-manager.users.${user} = {
+    home.packages = with pkgs; [ networkmanagerapplet ];
     services.network-manager-applet.enable = true;
     systemd.user.services.network-manager-applet.Unit.After = [ "graphical-session.target" ];
   };