Make hyprlock default and add battery level

tree/.config/niri/config.kdl.tpl

@@ -267,7 +267,7 @@ binds {
 
     Mod+Return { spawn "alacritty"; }
     Mod+D { spawn "fuzzel"; }
-    Mod+Plus { spawn "/home/hulthe/.local/bin/screenlock"; }
+    Mod+Plus { spawn "loginctl lock-session"; }
 
     // You can also use a shell:
     // Mod+T { spawn "bash" "-c" "notify-send hello && exec alacritty"; }