Update Minixiangqi link in README.md

Author: ianfab

README.md

@@ -29,7 +29,7 @@ If you like this project, please support its development via [patreon](https://w
 The games currently supported besides chess are listed below. Fairy-Stockfish can also play user-defined variants loaded via a variant configuration file, see the file [`src/variants.ini`](https://github.com/ianfab/Fairy-Stockfish/blob/master/src/variants.ini) and the [wiki](https://github.com/fairy-stockfish/Fairy-Stockfish/wiki/Variant-configuration).
 
 ### Regional and historical games
-- [Xiangqi](https://en.wikipedia.org/wiki/Xiangqi), [Manchu](https://en.wikipedia.org/wiki/Manchu_chess), [Minixiangqi](http://mlwi.magix.net/bg/minixiangqi.htm), [Supply chess](https://en.wikipedia.org/wiki/Xiangqi#Variations)
+- [Xiangqi](https://en.wikipedia.org/wiki/Xiangqi), [Manchu](https://en.wikipedia.org/wiki/Manchu_chess), [Minixiangqi](https://www.pychess.org/variants/minixiangqi), [Supply chess](https://en.wikipedia.org/wiki/Xiangqi#Variations)
 - [Shogi](https://en.wikipedia.org/wiki/Shogi), [Shogi variants](https://github.com/fairy-stockfish/Fairy-Stockfish#shogi-variants)
 - [Janggi](https://en.wikipedia.org/wiki/Janggi)
 - [Makruk](https://en.wikipedia.org/wiki/Makruk), [ASEAN](http://hgm.nubati.net/rules/ASEAN.html), Makpong, Ai-Wok