loongson/pypi: links for shogen

loongson/mirror shogen-1.4.3.tar.gz
loongson/mirror shogen-1.4.2.tar.gz
loongson/mirror shogen-1.4.1.tar.gz
loongson/mirror shogen-1.4.tar.gz
loongson/mirror shogen-1.3.tar.gz
loongson/mirror shogen-1.2.tar.gz