Page Comparison

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1. UI under the user area to create and manage a deck
   1. name a group
   2. find users
   3. add / invite a user
   4. delete a user
   5. deactivate a group (may be better than deleting)
      
      
2. User profile should display which groups a user is a member of and allow users to leave a group.
   
   
3. UI under deck edit to allocate an existing group to a deck to give permissions to edit the deck.
   1. this should be disabled if the user is not the owner of the deck
      

A similar option should be added to the Add deck screen.

Data models that will be impacted:

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