Add an annotated chess game feature?

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https://gameknot.com/list_annotated.pl?u=all

https://www.chessgames.com/perl/chess.pl?yearcomp=exactly&year=&playercomp=either&pid=&player=&pid2=&player2=&movescomp=exactly&moves=&opening=&eco=&result=&annotated=1

https://new.uschess.org/chess-life-digital-archives

https://www.pathtochessmastery.com/

https://www.chesstactics.org/

https://theweekinchess.com/

https://chessentials.com/chess-pgn-downloads/

[Siderite]

Also see https://github.com/[ml-postech/concept-guided-chess-commentary](https://github.com/ml-postech/concept-guided-chess-commentary)