loongson/pypi: links for mdvis

loongson/mirror mdvis-0.2.0.tar.gz
loongson/mirror mdvis-0.2.0.linux-x86_64.tar.gz
loongson/mirror mdvis-0.1.2.tar.gz
loongson/mirror mdvis-0.1.2.linux-x86_64.tar.gz
loongson/mirror mdvis-0.1.1.tar.gz
loongson/mirror mdvis-0.1.1.linux-x86_64.tar.gz