loongson/mirror: links for ws-availability

loongson/mirror ws_availability-1.0.5.tar.gz
loongson/mirror ws_availability-1.0.5-py3-none-any.whl
loongson/mirror ws_availability-1.0.4.tar.gz
loongson/mirror ws_availability-1.0.4-py3-none-any.whl