Created assignment_details_widget (#110)
Added template for assignment_details_widget (#110)
Declared assignment_details_widget (#110)
Renamed to match the widget  name (#110)
Corrected the link (#110)
Removed TODOs (#110)
Removed outdated comments + declared correct channels and params (#110)
Injected assignment_details_widget (#110)
In assignment.attachements is the url where external resources are located (#110)
Merge with master (#110)
Merge pull request #135 from aismail/f/#110-create-assignment-details-widget

F/#110 create assignment details widget