Merge pull request #3267 from pusta/Contributors-Update

CONTRIBUTORS.md - Updated jellyfin-server-windows to compile against .Net Core 3.1

CONTRIBUTORS.md

@@ -131,6 +131,7 @@
  - [XVicarious](https://github.com/XVicarious)
  - [YouKnowBlom](https://github.com/YouKnowBlom)
  - [KristupasSavickas](https://github.com/KristupasSavickas)
+ - [Pusta](https://github.com/pusta)
 
 # Emby Contributors