loongson/pypi: links for openvpn-api

loongson/mirror openvpn-api-0.3.0.tar.gz
loongson/mirror openvpn-api-0.2.0.tar.gz
loongson/mirror openvpn-api-0.1.3.tar.gz
loongson/mirror openvpn-api-0.1.2.tar.gz
loongson/mirror openvpn-api-0.1.1.tar.gz
loongson/mirror openvpn-api-0.1.0.tar.gz