loongson/pypi: links for happycowler

loongson/mirror happycowler-0.2.4.tar.gz
loongson/mirror happycowler-0.2.3.tar.gz
loongson/mirror happycowler-0.2.2.tar.gz
loongson/mirror happycowler-0.2.1.tar.gz
loongson/mirror happycowler-0.2.tar.gz