loongson/pypi: links for pkgscript

loongson/mirror PkgScript-0.6.1.tar.gz
loongson/mirror PkgScript-0.6.0.tar.gz
loongson/mirror PkgScript-0.5.1.tar.gz
loongson/mirror PkgScript-0.5.0.tar.gz
loongson/mirror PkgScript-0.4.3.tar.gz
loongson/mirror PkgScript-0.3.0.tar.gz
loongson/mirror PkgScript-0.2.7.1.tar.gz
loongson/mirror PkgScript-0.2.6.tar.gz
loongson/mirror PkgScript-0.2.5.tar.gz