loongson/pypi: links for at-6290

loongson/mirror at_6290-0.1.2.tar.gz
loongson/mirror at_6290-0.1.2-py3-none-any.whl
loongson/mirror at_6290-0.1.1.tar.gz
loongson/mirror at_6290-0.1.1-py3-none-any.whl
loongson/mirror at_6290-0.0.1.tar.gz
loongson/mirror at_6290-0.0.1-py3-none-any.whl