loongson/pypi: links for mathmatrix

loongson/mirror mathmatrix-0.5.tar.gz
loongson/mirror mathmatrix-0.5-py3-none-any.whl
loongson/mirror mathmatrix-0.4.tar.gz
loongson/mirror mathmatrix-0.4-py3-none-any.whl
loongson/mirror mathmatrix-0.3.tar.gz
loongson/mirror mathmatrix-0.3-py3-none-any.whl
loongson/mirror mathmatrix-0.2.tar.gz
loongson/mirror mathmatrix-0.1.tar.gz
loongson/mirror mathmatrix-0.1.a.tar.gz