loongson/pypi: links for llb3d

loongson/mirror llb3d-0.0.3.tar.gz
loongson/mirror llb3d-0.0.3-py3.7-linux-x86_64.egg
loongson/mirror llb3d-0.0.3-py3.6-linux-x86_64.egg
loongson/mirror llb3d-0.0.1.tar.gz