loongson/pypi: links for flask-statsd-ext

loongson/mirror Flask-Statsd-Ext-0.0.3.tar.gz
loongson/mirror Flask-Statsd-Ext-0.0.2a1.tar.gz
loongson/mirror Flask-Statsd-Ext-0.0.2a0.tar.gz
loongson/mirror Flask-Statsd-Ext-0.0.1a0.tar.gz