loongson/pypi: links for flask-redtask

loongson/mirror Flask-Redtask-0.3.1.tar.gz
loongson/mirror Flask-Redtask-0.3.tar.gz
loongson/mirror Flask-Redtask-0.2.1.tar.gz
loongson/mirror Flask-Redtask-0.2.tar.gz
loongson/mirror Flask-Redtask-0.1.tar.gz