Login Music

This is a version with a lot of code modifications.

Important: The JSON key has been changed!

{
  "musics": [
    {
      "id": "Default",
      "musicName": "Default.mp3",
      "musicPath": "https://www.soundhelix.com/examples/mp3/SoundHelix-Song-1.mp3",
      "lyricName": "example.lrc",
      "lyricPath": "Default.lrc"
    }
  ]
}

• Add cache system.
• New music playing logic.
• New music loading screen.