loongson/pypi: links for flashops

loongson/mirror flashops-20.10.8.tar.gz
loongson/mirror flashops-20.10.7.tar.gz
loongson/mirror flashops-20.10.6.tar.gz
loongson/mirror flashops-19.1.6.tar.gz
loongson/mirror flashops-19.1.5.tar.gz
loongson/mirror flashops-19.1.3.tar.gz
loongson/mirror flashops-19.1.2.tar.gz
loongson/mirror flashops-19.1.1.tar.gz
loongson/mirror flashops-18.12.317.tar.gz