Add sample config

sample.config.py

@@ -0,0 +1,10 @@
+SECRET_KEY = "set this to something secret"
+
+# Set host and port to listen on
+HOST = "localhost"
+PORT = 5050
+
+# Config for SocketIO and EngineIO
+SOCKET_IO_CONFIG = {
+    "cors_allowed_origins": "*"
+}