fix(playground): solo or opti

Author: NaejDoree

playground/misc/misc-2-examples.md

@@ -6,4 +6,4 @@ We have published some examples of games made with the CodinGame SDK. Feel free
 
 - [Tic-tac-toe Game (Multi)](https://github.com/CodinGame/game-tictactoe)
 - [Pong Game (Multi)](https://github.com/CodinGame/game-pong)
-- [Fishy Adventures Game (Solo)](https://github.com/CodinGame/game-fishy-adventures)
+- [Fishy Adventures Game (Solo or Opti)](https://github.com/CodinGame/game-fishy-adventures)