loongson/pypi: links for linkcutter

loongson/mirror linkcutter-0.0.1a2.tar.gz
loongson/mirror linkcutter-0.0.1a2-py3-none-any.whl
loongson/mirror linkcutter-0.0.1a1.tar.gz
loongson/mirror linkcutter-0.0.1a1-py2.py3-none-any.whl