Do not expire refresh tokens by default (#289)

Author: DavidMStraub

gramps_webapi/config.py

@@ -51,4 +51,4 @@ class DefaultConfigJWT(object):
 
     JWT_TOKEN_LOCATION = ["headers", "query_string"]
     JWT_ACCESS_TOKEN_EXPIRES = datetime.timedelta(minutes=15)
-    JWT_REFRESH_TOKEN_EXPIRES = datetime.timedelta(days=30)
+    JWT_REFRESH_TOKEN_EXPIRES = False