add manual Octopus people imports

district/blocks.py

district/forms.py

district/management/commands/octopus_people_import.py

district/migrations/0294_districtmanualoctopuspersonpage.py

...s/0295_districtmanualoctopuspersonpage_person_and_more.py

...ions/0296_alter_districtmanualoctopuspersonpage_person.py

district/models.py

district/tasks.py

...mplates/district/district_manual_octopus_person_page.html

shared/people_import.py