loongson/pypi: links for velo-python

loongson/mirror velo-python-2.37.148b1.tar.gz
loongson/mirror velo-python-2.35.58.tar.gz
loongson/mirror velo-python-2.35.58b1.tar.gz
loongson/mirror velo-python-2.29.128b1.tar.gz
loongson/mirror velo-python-2.26.124b1.tar.gz
loongson/mirror velo-python-2.20.118.tar.gz
loongson/mirror velo-python-2.20.29b1.tar.gz
loongson/mirror velo-python-2.17.8b2.tar.gz