chore(dev): update port configuration and fix file formatting

- Set specific port to 9005 in dev.nix for static server
- Ensure newline at end of script.js
- Remove unused gitkeep file from scripts directory

Author: SplashCodeDex

.idx/dev.nix

@@ -28,7 +28,7 @@
           "python"
           "-m"
           "http.server"
-          "$PORT"
+          "9005"
         ];
         manager = "web";
         cwd = "Liquid-Glass-UI-Examples/apple-liquid-glass-switcher/dist";

Liquid-Glass-UI-Examples/apple-liquid-glass-switcher/dist/script.js

@@ -38,4 +38,4 @@ themeRadios.forEach(radio => {
             document.body.classList.add(radio.value);
         }
     });
-});
+});