Added font authors information for JetBrains

Author: SableRaf

src/styles/fonts.css

@@ -59,7 +59,8 @@
 /* JetBrains Mono
  * By JetBrains <>
  * Copyright 2020 The JetBrains Mono Project Authors 
- * https://github.com/JetBrains/JetBrainsMono
+ * JetBrains Mono is designed by Philipp Nurullin and Konstantin Bulenkov. 
+ * To contribute, see https://github.com/JetBrains/JetBrainsMono
  * Licensed under the SIL Open Font License, Version 1.1
  * https://scripts.sil.org/OFL
  */