Only show cards closed within a week in the Done column
Created by: andrew-codes
As a user, I want to only view the last week's worth of done issues in the done column, so that I may more easily find recently completed issues.
- Given completed issues that have been completed within the past 7 days, when viewing the board, then it should display these issues
- Given completed issues that have been completed before the past 7 days, when viewing the board, then it should not display these issues