Add rookognition

Author: 3d12

README.rst

@@ -351,6 +351,7 @@ If you like, share interesting things you are using python-chess for, for exampl
 * a `browser based PGN viewer <https://about.nmstoker.com/chess2.html>`_ written in PyScript – https://github.com/nmstoker/ChessMatchViewer
 * an accessible chessboard that allows blind and visually impaired  players  to play chess against Stockfish – https://github.com/blindpandas/chessmart
 * analyse games to extract various statistics – https://github.com/mvrozanti/chess-playground
+* a web-based chess vision exercise – https://github.com/3d12/rookognition
 
 
 Prior art