The definition for preferences is globally named `Spec` because that's the type that cue outputs
This adds a swagger annotation to rename the definition in the swagger schema to `Preferences`
This will be easier to use in generated clients
* Update all core kinds to flattened lineages
* Regen Go types, without any
* Regen Go types, s/interface{}/any/
* Update generated core typescript
* Update generate docs
* Fix defaults gen in veneer index jenny
* Flatten plugindef lineage
* Convert all plugin kinds to flattened form
* Switch back to interface{} for now
* Switch to fs.Sub in plugin DeclParser
* Mostly undesirable codegen changes, to be fixed
* Update mod and sum
* Update pfs tests to flattened lineages
* Update thema to latest, regen docs
