Added URL and description to setup.py

setup.py

@@ -2,8 +2,10 @@ from setuptools import setup
 
 setup(
     name='gym_minigrid',
-    version='0.0.2',
+    version='0.0.3',
     keywords='memory, environment, agent, rl, openaigym, openai-gym, gym',
+    url='https://github.com/maximecb/gym-minigrid',
+    description='Minimalistic gridworld package for OpenAI Gym',
     packages=['gym_minigrid', 'gym_minigrid.envs'],
     install_requires=[
         'gym>=0.9.6',