loongson/pypi: links for feincms-button

loongson/mirror feincms-button-2.0.1.tar.gz
loongson/mirror feincms_button-2.0.1-py3-none-any.whl
loongson/mirror feincms-button-2.0.0.tar.gz
loongson/mirror feincms_button-2.0.0-py3-none-any.whl
loongson/mirror feincms-button-1.0.tar.gz
loongson/mirror feincms_button-1.0-py2.py3-none-any.whl