loongson/mirror: links for pyqt-gameboard

loongson/mirror pyqt-gameboard-0.2.6.tar.gz
loongson/mirror pyqt_gameboard-0.2.6-py3-none-any.whl
loongson/mirror pyqt-gameboard-0.2.5.tar.gz
loongson/mirror pyqt_gameboard-0.2.5-py3-none-any.whl