User can add their friends and give them edit access. This way many students can edit a list and store the problems in that common list. Editor Model User: Foreign Key List: Foreign Key Routes to add/ modify - - [x] Owner of the list can add members/ other users to edit a list - [x] Now added Users have the right to add problems to that list. Route : `/lists/userlist/add` #36 - [x] Users can view their own lists and shared lists. Route : `/lists/user/:username` #38