loongson/pypi: links for cs-video

loongson/mirror cs.video-3.1.tar.gz
loongson/mirror cs.video-3.0.4.tar.gz
loongson/mirror cs.video-3.0.3.tar.gz
loongson/mirror cs.video-3.0.2.tar.gz
loongson/mirror cs.video-3.0.1.tar.gz
loongson/mirror cs.video-3.0.zip