sway: Some eyecandy

- new icontheme
- Sway notification center instead of mako
- gtklock instead of swaylock
- nwg-drawer instead of wofi

modules/sway.nix

@@ -3,6 +3,8 @@
   programs.sway.enable = true;
   programs.sway.package = null;
 
+  security.pam.services.gtklock = {};
+
   # autologin
   services.greetd = {
     enable = true;