Updated for 1.13.0

Support for multiplayer 1.13.0

This release has some rather large changes to the code and data outputted.

• Fixed accuracy calculation
• Supports Multiplayer
• Fixed post multi
• Fixed collection of newly downloaded map data
• Changed how data is gathered:
  • The timer now reads from the game (much more accurate)
  • If the BeatMap data has been cached it will retrieve the data from SongDataCore
  • Beatmap image sent as base64 if possible (thanks to UnskilledFreak)
  • Other performance improvements
• Outputs new data:
  • Map PP
  • Map star rating
  • Map hash
  • Game and plugin version
• Added two more dependencies (can be found on mod assistant):
  • SongCore ^3.0.1
  • SongDataCore ^1.3.5

The overlay will still work on older versions of the game