loongson/pypi: links for offsets

loongson/mirror offsets-1.38.75.tar.gz
loongson/mirror offsets-1.38.4.tar.gz
loongson/mirror offsets-1.37.9.8.tar.gz
loongson/mirror offsets-1.37.9.7.tar.gz
loongson/mirror offsets-1.37.7.5.tar.gz
loongson/mirror offsets-0.0.tar.gz