Add endpoints to change the bucket quota

Dockerfile

Dockerfile-Gunicorn

README.md

app/api/dependencies.py

app/api/endpoints/bucket_permissions.py

app/api/endpoints/buckets.py

app/core/config.py

app/crud/__init__.py

app/crud/crud_bucket.py

app/crud/crud_bucket_permission.py

app/crud/crud_error.py

app/crud/crud_user.py

app/schemas/bucket.py

app/tests/api/test_bucket_permissions.py

app/tests/api/test_buckets.py

app/tests/crud/test_bucket.py

app/tests/crud/test_bucket_permission.py

app/tests/crud/test_user.py

app/tests/mocks/mock_rgw_admin.py

example-config/example-config.json