feat(nixos): add pikachu homepage guest

configs/nixos/guests/copyparty.nix

@@ -90,6 +90,15 @@ in
       }
     ];
 
+    registry.homepage.${config.networking.hostName}.copyparty = {
+      tab = "Apps";
+      section = "Files";
+      name = "Copyparty";
+      description = "Files on ${config.networking.hostName}";
+      icon = "copyparty.svg";
+      href = lib.mkIf cfg.reverseProxy.enable "https://${cfg.reverseProxy.route.domain}/?h";
+    };
+
     guests.copyparty = {
       interior.modules.services.copyparty = {
         enable = true;