loongson/pypi: links for twitivity

loongson/mirror twitivity-0.3.5.tar.gz
loongson/mirror twitivity-0.3.3-py3.8.egg
loongson/mirror twitivity-0.1.3.tar.gz
loongson/mirror twitivity-0.1.3-py3.8.egg
loongson/mirror twitivity-0.1.2.tar.gz
loongson/mirror twitivity-0.1.1.tar.gz
loongson/mirror twitivity-0.1.0.tar.gz