loongson/pypi: links for bucktrix

loongson/mirror bucktrix-0.1.5.tar.gz
loongson/mirror bucktrix-0.1.5-py3-none-any.whl
loongson/mirror bucktrix-0.1.4.tar.gz
loongson/mirror bucktrix-0.1.4-py3-none-any.whl