Log in to hyprlock

Got the setup from here:
https://www.reddit.com/r/hyprland/comments/1l7rlq0/how_to_setup_hyprlock_on_nixos/

Also, it's not really secure. I guess i beats booting into my user with no
password.

modules/desktop/hyprland/default.nix

@@ -8,6 +8,8 @@
 
     settings = {
 
+      exec-once = [ "hyprlock || hyprctl dispatch exit" ];
+
       misc.disable_hyprland_logo = true;
 
       general = {

modules/nixos/default.nix

@@ -32,9 +32,12 @@
 
   services.greetd = {
     enable = true;
-    settings.default_session = {
-      command = "hyprland";
-      user = "larstvei";
+    settings = rec {
+      initial_session = {
+        command = "hyprland > /dev/null 2>&1";
+        user = "larstvei";
+      };
+      default_session = initial_session;
     };
   };