loongson/mirror: links for soong

loongson/mirror soong-0.6.0.tar.gz
loongson/mirror soong-0.6.0-py3-none-any.whl
loongson/mirror soong-0.5.0.tar.gz
loongson/mirror soong-0.5.0-py3-none-any.whl
loongson/mirror soong-0.4.1.tar.gz
loongson/mirror soong-0.4.1-py3-none-any.whl