Created Department Model, Linked Models to View

See merge request !7

Created Department Model, linked it to WidgetUsers, added Controller within Views to fetch WidgetUser models to display

Add Announcement model, register app in Admin

See merge request !6

Added Assignment model, configured admin for the new model.

See merge request !5

Create Post model, configured admin, migrated database

See merge request !2

Created Model for Widget User, added admin handler for Model

See merge request !1