loongson/pypi: links for webvtt-python

loongson/mirror webvtt_python-0.2.0.tar.gz
loongson/mirror webvtt_python-0.2.0-py3-none-any.whl
loongson/mirror webvtt_python-0.1.1.tar.gz
loongson/mirror webvtt_python-0.1.1-py3-none-any.whl
loongson/mirror webvtt_python-0.1.0.tar.gz
loongson/mirror webvtt_python-0.1.0-py3-none-any.whl