loongson/mirror: links for circover

loongson/mirror circover-0.3.0.tar.gz
loongson/mirror circover-0.3.0-py3-none-any.whl
loongson/mirror circover-0.2.0.tar.gz
loongson/mirror circover-0.1.0.tar.gz
loongson/mirror circover-0.1.0-py3-none-any.whl