loongson/pypi: links for pyassembly

loongson/mirror pyassembly-2.3.tar.gz
loongson/mirror pyassembly-2.3-py3-none-any.whl
loongson/mirror pyassembly-2.2.1.tar.gz
loongson/mirror pyassembly-2.2.tar.gz
loongson/mirror pyassembly-2.1.tar.gz
loongson/mirror pyassembly-2.0.tar.gz
loongson/mirror pyassembly-1.1.tar.gz
loongson/mirror pyassembly-1.0.tar.gz