add task details page

atdb/taskdatabase/serializers.py

atdb/taskdatabase/templates/taskdatabase/base.html

...atabase/templates/taskdatabase/filter/filter_buttons.html

atdb/taskdatabase/templates/taskdatabase/index.html

...askdatabase/templates/taskdatabase/task/details_card.html

...database/templates/taskdatabase/task/logentries_card.html

...askdatabase/templates/taskdatabase/task/status_panel.html

...askdatabase/templates/taskdatabase/task/task_details.html

atdb/taskdatabase/templates/taskdatabase/tasks.html

atdb/taskdatabase/urls.py

atdb/taskdatabase/views.py