loongson/pypi: links for pyshooter2d

loongson/mirror pyshooter2d-0.0.4.tar.gz
loongson/mirror pyshooter2d-0.0.3.tar.gz
loongson/mirror pyshooter2d-0.0.2.tar.gz
loongson/mirror pyshooter2d-0.0.1.tar.gz