[Python] Populate setuptools description with README.md (apache#11078)

* [Python] Populate setuptools description with README.md

Adds the description metadata for the setuptools descriptor file
`setup.py` with the contents of our existing README.md, which is
a common practice.

* Update python/setup.py

Co-authored-by: driazati <9407960+driazati@users.noreply.github.com>

* Update python/setup.py

Co-authored-by: driazati <9407960+driazati@users.noreply.github.com>

* Import pathlib and apply black formats.

Co-authored-by: driazati <9407960+driazati@users.noreply.github.com>

python/setup.py

@@ -20,6 +20,7 @@
 import shutil
 import sys
 import sysconfig
+import pathlib
 import platform
 
 from setuptools import find_packages
@@ -201,6 +202,13 @@ def get_package_data_files():
     return ["relay/std/prelude.rly", "relay/std/core.rly"]
 
 
+def long_description_contents():
+    with open(pathlib.Path(CURRENT_DIR).resolve().parent / "README.md", encoding="utf-8") as readme:
+        description = readme.read()
+
+    return description
+
+
 # Temporarily add this directory to the path so we can import the requirements generator
 # tool.
 sys.path.insert(0, os.path.dirname(__file__))
@@ -217,6 +225,21 @@ def get_package_data_files():
     name="tvm",
     version=__version__,
     description="TVM: An End to End Tensor IR/DSL Stack for Deep Learning Systems",
+    long_description=long_description_contents(),
+    long_description_content_type="text/markdown",
+    url="https://tvm.apache.org/",
+    download_url="https://github.com/apache/tvm/tags",
+    author="Apache TVM",
+    license="Apache",
+    # See https://pypi.org/classifiers/
+    classifiers=[
+        "License :: OSI Approved :: Apache Software License",
+        "Development Status :: 4 - Beta",
+        "Intended Audience :: Developers",
+        "Intended Audience :: Education",
+        "Intended Audience :: Science/Research",
+    ],
+    keywords="machine learning",
     zip_safe=False,
     entry_points={"console_scripts": ["tvmc = tvm.driver.tvmc.main:main"]},
     install_requires=requirements["core"][1],
@@ -225,7 +248,6 @@ def get_package_data_files():
     package_dir={"tvm": "tvm"},
     package_data={"tvm": get_package_data_files()},
     distclass=BinaryDistribution,
-    url="https://github.com/apache/tvm",
     ext_modules=config_cython(),
     **setup_kwargs,
 )