UnicodeDecodeError: 'charmap' codec can't decode byte (#780)

* Update setup.py

* Update setup.py

Author: HamedDi81

setup.py

@@ -18,9 +18,9 @@
 from setuptools.dist import Distribution
 import shutil
 
-with open("README.md", "r") as fh:
+with open("README.md", "r", encoding="utf-8") as fh:
     markdown = fh.read()
-with open("requirements.txt", "r") as fh:
+with open("requirements.txt", "r", encoding="utf-8") as fh:
     requirements = fh.read()
 
 MALMO_BRANCH = "minerl"