Generate report named "contributor" that accepts two parameters, username and a list of groups.
- Included only the issues which are open
- Added the Done section for closed tickets and order issue by their closed date
- I have included the subgroups milestone and their issues status.( which I fail to do in my first commit or merge)
- In progress and Done subsection layout is unique
- report generated for assignee with due date
- Done subsection displayed with closed issue date