muOS app to connect to a RomM server and fetch games

1. Download the repository as a zip file.
2. Extract the contents of the muos-app-main.zip file.
3. Navigate to the muos-app-main/muos-app-main directory.
4. Edit the .env file inside the .romm folder and add your RomM host (including protocol and port if needed, e.g., http://my-romm-instance:8080), username, and password.
5. Copy the RomM.sh file and the .romm folder to /mnt/mmc/MUOS/application.
6. Run the RomM application inside muOS.