Scaffolding: Federation gateway setup

[klpoland]

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[semanticdiff-com]

Review changes with  

Changed Files

File	Status
gateway/sds_gateway/api_methods/tests/test_authenticate.py	26% smaller
gateway/config/settings/base.py	6% smaller
gateway/.envs/example/django.env	Unsupported file format
gateway/config/api_router.py	0% smaller
gateway/pyproject.toml	Unsupported file format
gateway/scripts/fallow-cross-file-dupes.sh	Unsupported file format
gateway/sds_gateway/api_methods/apps.py	0% smaller
gateway/sds_gateway/api_methods/authentication.py	0% smaller
gateway/sds_gateway/api_methods/federation/__init__.py	0% smaller
gateway/sds_gateway/api_methods/federation/availability.py	0% smaller
gateway/sds_gateway/api_methods/federation/events.py	0% smaller
gateway/sds_gateway/api_methods/federation/export_contract.py	0% smaller
gateway/sds_gateway/api_methods/federation/permissions.py	0% smaller
gateway/sds_gateway/api_methods/federation/signals.py	0% smaller
gateway/sds_gateway/api_methods/helpers/compile_federated_data.py	0% smaller
gateway/sds_gateway/api_methods/models.py	0% smaller
gateway/sds_gateway/api_methods/permissions.py	0% smaller
gateway/sds_gateway/api_methods/serializers/capture_serializers.py	0% smaller
gateway/sds_gateway/api_methods/serializers/dataset_serializers.py	0% smaller
gateway/sds_gateway/api_methods/tests/test_federation_export.py	0% smaller
gateway/sds_gateway/api_methods/tests/test_federation_export_contract.py	0% smaller
gateway/sds_gateway/api_methods/tests/test_federation_hardening.py	0% smaller
gateway/sds_gateway/api_methods/views/capture_endpoints.py	0% smaller
gateway/sds_gateway/api_methods/views/dataset_endpoints.py	0% smaller
gateway/sds_gateway/api_methods/views/federation_endpoints.py	0% smaller
gateway/sds_gateway/api_methods/views/file_endpoints.py	0% smaller
gateway/sds_gateway/users/management/commands/create_federation_sync_api_key.py	0% smaller
gateway/sds_gateway/users/migrations/0012_alter_userapikey_source_federation_sync.py	0% smaller
gateway/sds_gateway/users/migrations/max_migration.txt	Unsupported file format
gateway/sds_gateway/users/models.py	0% smaller

[klpoland]

Added some dedicated API endpoints, serializers, and signals for federation and configuration that defaults to disabling federation sync.