+ webapp launcher, hyprland config changes

pkgs/default.nix

@@ -1,6 +1,7 @@
 {pkgs, ...}: {
   # Define your custom packages here
   hyprpaper-random = pkgs.callPackage ./hyprpaper-random {};
+  launch-webapp = pkgs.callPackage ./launch-webapp/default.nix {};
   msty = pkgs.callPackage ./msty {};
   msty-sidecar = pkgs.callPackage ./msty-sidecar {};
   zellij-ps = pkgs.callPackage ./zellij-ps {};