Drf-integrations-framework

Support installations without integrations (12)

Added
- Add `namespace` property to `BaseIntegration` class.

Added
- Add optional var-positional `implements` parameter to `Registry.get_all`.
- Add var-keyword argument `**kwargs` to `BaseIntegration.get_installation_lookup_from_request`

Changed
- **Backwards-incompatible**: Change the `application` argument of `BaseIntegration.get_installation_lookup_from_request` to be keyword-only.

Initial release