loongson/pypi: links for layered-config

loongson/mirror layered-config-2.0.3.tar.gz
loongson/mirror layered_config-2.0.3-py3-none-any.whl
loongson/mirror layered-config-2.0.2.tar.gz
loongson/mirror layered_config-2.0.2-py3-none-any.whl
loongson/mirror layered-config-2.0.0.tar.gz
loongson/mirror layered_config-2.0.0-py3-none-any.whl