Merge branch 'SDC-934-discard-mechanism' into 'master'

atdb/atdb/static/taskdatabase/ATDB-LDV Workflow Diagram.png

atdb/atdb/static/taskdatabase/style.css

atdb/docs/ATDB-LDV Data Model.png

atdb/docs/ATDB-LDV GUI.png

atdb/docs/ATDB-LDV Workflow Diagram.png

atdb/logs/atdb.log

atdb/taskdatabase/forms.py

atdb/taskdatabase/migrations/0023_task_cleanup_policy.py

atdb/taskdatabase/migrations/0024_auto_20230509_1612.py

atdb/taskdatabase/migrations/0025_auto_20230509_1631.py

atdb/taskdatabase/models.py

atdb/taskdatabase/serializers.py

atdb/taskdatabase/services/algorithms.py

...atabase/static/taskdatabase/ATDB-LDV Workflow Diagram.png

atdb/taskdatabase/static/taskdatabase/style.css

atdb/taskdatabase/tables.py

atdb/taskdatabase/templates/astronauth/navbar.html

atdb/taskdatabase/templates/taskdatabase/archived/tasks.html

...templates/taskdatabase/discarded/clear_filter_button.html

...askdatabase/templates/taskdatabase/discarded/headers.html