loongson/pypi: links for nebulassdkpy

loongson/mirror NebulasSdkPy-0.4.0.tar.gz
loongson/mirror NebulasSdkPy-0.3.0.tar.gz
loongson/mirror NebulasSdkPy-0.2.0.tar.gz
loongson/mirror NebulasSdkPy-0.1.0.tar.gz