Updated setup.py to fix readme formatting on PyPi

Author: Crozzers

setup.py

@@ -4,7 +4,7 @@
 if platform.system()=='Windows':
     requires+=['wmi']
 setup(name='screen_brightness_control',
-    version='0.1.0',
+    version='0.1.1',
     url='https://github.com/Crozzers/screen-brightness-control',
     license='MIT',
     author='Crozzers',
@@ -13,6 +13,15 @@
     install_requires=requires,
     description='A Python tool to control monitor brightness on Windows and Linux',
     long_description=open('README.md').read(),
-    classifiers=['Programming Language :: Python :: 3','Programming Language :: Python :: 3.5']
+    long_description_content_type='text/markdown',
+    classifiers=[
+    'Development Status :: 3 - Alpha',
+    'License :: OSI Approved :: MIT License',
+    'Operating System :: Microsoft :: Windows :: Windows 10',
+    'Operating System :: POSIX :: Linux',
+    'Programming Language :: Python :: 3 :: Only',
+    'Programming Language :: Python :: 3.6',
+    'Programming Language :: Python :: 3.7',
+    'Programming Language :: Python :: 3.8']
     )