loongson/pypi: links for mathlibrary

loongson/mirror MathLibrary-22.0.tar.gz
loongson/mirror MathLibrary-21.0.tar.gz
loongson/mirror MathLibrary-20.0.tar.gz
loongson/mirror MathLibrary-19.0.tar.gz
loongson/mirror MathLibrary-18.0.tar.gz
loongson/mirror MathLibrary-17.0.tar.gz
loongson/mirror MathLibrary-16.0.tar.gz
loongson/mirror MathLibrary-15.0.tar.gz
loongson/mirror MathLibrary-14.0.tar.gz
loongson/mirror MathLibrary-13.0.tar.gz
loongson/mirror MathLibrary-12.0.tar.gz
loongson/mirror MathLibrary-11.0.tar.gz
loongson/mirror MathLibrary-10.0.tar.gz
loongson/mirror MathLibrary-9.0.tar.gz
loongson/mirror MathLibrary-8.0.tar.gz
loongson/mirror MathLibrary-7.0.tar.gz
loongson/mirror MathLibrary-6.0.tar.gz
loongson/mirror MathLibrary-5.0.tar.gz
loongson/mirror MathLibrary-4.0.tar.gz
loongson/mirror MathLibrary-3.0.tar.gz
loongson/mirror MathLibrary-2.0.tar.gz
loongson/mirror MathLibrary-1.0.tar.gz