WIP: Feature: Rapid CDN
Design:
- provide user friendly approach
- fast frontend connection parameter provision
- asynchronous frontend creation with informative page
- good defaults:
- https-only
- full caching
- backend checks
- websocket support
- have compatibility layer for custom-personal from caddy-frontend
- full for scenarios like massive automatic hosting, forever due to return parameters
- encourage migration for parameters like
type
- haproxy only (https://lab.nexedi.com/nexedi/slapos/merge_requests/830)
- cluster based CA (https://lab.nexedi.com/nexedi/slapos/merge_requests/843)