Modified the views.py, models.py, and urls.py to implement a better views, Created templates, html files, and css files for design, added an image for the profile picture.

Created Department model in Homepage app, Added id_number and email field in WidgetUser model in Homepage app, Edited the HttpResponse views.py of Homepage app.

Created calendarapp model, added admin view for the calendarapp, and updated...

See merge request !1

Created calendarapp model, added admin view for the calendarapp, and updated INSTALLED_APPS. (replaced 'calendar' with 'calendarapp')