update recommended Node.js and NPM to latest LTS

Author: Joey Nguyen

README.md

@@ -21,8 +21,8 @@ To contribute to ZMK Studio, follow these steps:
 
 Ensure you have the following installed on your system:
 
-- [Node.js](https://nodejs.org/) (version 14 or later)
-- [npm](https://www.npmjs.com/) (version 6 or later)
+- [Node.js](https://nodejs.org/) (version 22 or later)
+- [npm](https://www.npmjs.com/) (version 10 or later)
 - [Rust](https://www.rust-lang.org/tools/install) (for building Tauri applications)
 - [Tauri CLI](https://tauri.app/v1/guides/getting-started/prerequisites/)