- Add and update documentation.
- Add support to Manilla for provisioning existing shares.
- Add cluster name to load balancer description
- Add synchronization between Kubernetes and Keystone projects
- Add use internal DNS name for 'hostname' of nodes.
- Add support for CSI spec v0.3.0 for both Cinder and Manilla
- Add 'cascade delete' support for Octavia load balancers to improve performance.

But `include_router` is still useful to, for example, adding options (like `dependencies`, `prefix`, and `tags`) when including a third party router, or a generic router that is shared between several projects.

This PR allows setting the (mostly new) parameters (additionally to the already existing parameters):

* `default_response_class`: updated to handle defaults in `APIRouter` and `FastAPI`.