Management API

Should make it possible to create:
- Trigger configs
- Action Manifests
- Rules

It should use the generic process (which allows access to the plugin host - meaning the list of plugins loaded)

Links:
- Server Frameworks: [Warp](https://github.com/seanmonstar/warp), [Rocket](https://rocket.rs/)
- https://www.arewewebyet.org/
