loongson/pypi: links for flask-b3

loongson/mirror Flask-B3-0.0.7.tar.gz
loongson/mirror Flask-B3-0.0.4.tar.gz
loongson/mirror Flask-B3-0.0.3.tar.gz
loongson/mirror Flask-B3-0.0.2.tar.gz
loongson/mirror Flask-B3-0.0.1.tar.gz