Update setup.py

Author: vijay-arya

setup.py

@@ -6,15 +6,16 @@
     f.write('# generated by setup.py\nversion = "{}"\n'.format(version))
 
 setuptools.setup(
-	name='aix360',
-	version=version,
+    name='aix360',
+    version=version,
     description='IBM AI Explainability 360',
     authos='aix360 developers',
     url='https://github.com/IBM/AIX360',
     author_email='[email protected]',
     packages=setuptools.find_packages(),
     license='Apache License 2.0',
     long_description=open("README.md", 'r').read(),
+    long_description_content_type='text/markdown',	
     install_requires=[
             'joblib>=0.11',
             'scikit-learn>=0.21.2',