loongson/pypi: links for envmgr-lib

loongson/mirror envmgr-lib-0.3.0.tar.gz
loongson/mirror envmgr_lib-0.3.0-py2.py3-none-any.whl
loongson/mirror envmgr-lib-0.2.1.tar.gz
loongson/mirror envmgr_lib-0.2.1-py2.py3-none-any.whl
loongson/mirror envmgr-lib-0.2.0.tar.gz
loongson/mirror envmgr_lib-0.2.0-py2.py3-none-any.whl
loongson/mirror envmgr-lib-0.1.0.tar.gz
loongson/mirror envmgr_lib-0.1.0-py2.py3-none-any.whl