Ponos task authentication

.gitignore

arkindex/documents/fixtures/data.json

arkindex/ponos/api.py

arkindex/ponos/authentication.py

arkindex/ponos/migrations/0037_task_token.py

arkindex/ponos/migrations/0038_task_token_unique.py

arkindex/ponos/models.py

arkindex/ponos/permissions.py

arkindex/ponos/serializers.py

arkindex/ponos/tests/test_api.py

arkindex/process/api.py

arkindex/process/serializers/workers.py

arkindex/process/tests/test_create_s3_import.py

arkindex/process/tests/test_create_training_process.py

arkindex/process/tests/test_workeractivity.py

arkindex/project/settings.py

arkindex/project/tests/openapi/test_schema.py