updated models and added reply class and its fields. added views in forum to display posts and reply.

Added new fields to Model WidgetUser and also added a new Department model. Views python was also updated to show instances of the models.

Announcement view now displays announcements and its reactions

updated the display format of Assignments views

added Reaction model, its foreign key and fields for announcement model

updated Assignments view to display course/section

added template directory in settings.py
created views template for assignments
added context to the assignments view

changed to announcement board for a clearer app identification

db.sqlite3 has the memory for the population and shouldn't be removed