add encoding details

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "python.pythonPath": "C:\\Users\\lin_x\\anaconda3\\envs\\tensorflow\\python.exe"
+}

setup.py

@@ -3,7 +3,7 @@ import setuptools
 
 from docs import conf as docs_conf
 
-with open("README.md", "r") as fh:
+with open("README.md", "r", encoding="utf8") as fh:
     long_description = fh.read()
 
 extras = {}