loongson/pypi: links for python-chess-bughouse

loongson/mirror python-chess-bughouse-0.28.0.tar.gz
loongson/mirror python_chess_bughouse-0.28.0-py3-none-any.whl
loongson/mirror python-chess-bughouse-0.27.3.tar.gz
loongson/mirror python_chess_bughouse-0.27.3-py3-none-any.whl