Add due date option

[windsifter]

When adding a card, it would be great to specify additional fields beyond board/list/and position. I see there are already open feature requests for label, and due date would be of great importance to myself and likely many others.

[dospolov]

@windsifter Here is another extension Trello Bookmark, that does have labels, cover, assignee and due date
https://chrome.google.com/webstore/detail/trello-bookmark/ephoopolmejjnjkbbdcfgoohokhnekca