Update config

Author: WeRn

config.py

@@ -12,4 +12,6 @@ class Config(object):
     SQLALCHEMY_TRACK_MODIFICATIONS = False
     SQLALCHEMY_ECHO = False
 
-    SECRET_KEY = str(os.urandom(48))[2:-1].replace('\\x', '')
+    SECRET_KEY = str(os.urandom(48))[2:-1].replace('\\x', '')
+
+    UNITPAY_SECRET_KEY = '00000000000000000000'