add setup.py

setup.py

@@ -0,0 +1,27 @@
+import setuptools
+
+with open("README.md", "r") as fh:
+    long_description = fh.read()
+
+setuptools.setup(
+    name="tensorgrad",
+    version="0.0.1",
+    author="Lei Wang",
+    author_email="wanglei@iphy.ac.cn",
+    description="Differentiable Programming Tensor Networks",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    keywords="Differentiable Programming Tensor Networks",
+    url="https://github.com/wangleiphy/tensorgrad",
+    packages=["tensornets"],
+    install_requires=[
+            "numpy",
+            "torch>=1.3.0",
+        ],
+    python_requires='>=3',
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: Apache Software License",
+        "Operating System :: OS Independent",
+    ],
+)