Schemas: Replace registry generation and github workflow (#83490)

* Create small registries for core and composable kinds

* Update workflow with new registries

* Fix imports in plugin schemas and deleted old registry generation files

* Remove verification and maturity

* Modify registries and add missing composable information to make schemas in kind-registry work

* Add missing aliases

* Remove unused templates

* Remove kinds verification

* Format generated code

* Add gen header

* Delete unused code and clean path in composable template

* Delete kind-registry loader

* Delete unused code

* Update License link

* Update codeowners path

* Sort imports

* More cleanup

* Remove verify-kinds.yml from codeowners

* Fix lint

* Update composable_kidns

* Fix cue extension

* Restore verify-kinds to avoid to push outdated kind's registry

* Fix composable format

* Restore code owners for verify-kinds

* Remove verify check

pkg/codegen/generators.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"path/filepath"
 
+	"cuelang.org/go/cue"
 	"github.com/grafana/codejen"
 	"github.com/grafana/kindsys"
 	"github.com/grafana/thema"
@@ -59,3 +60,8 @@ type SchemaForGen struct {
 	// Whether the schema is grouped. See https://github.com/grafana/thema/issues/62
 	IsGroup bool
 }
+
+type CueSchema struct {
+	CueFile  cue.Value
+	FilePath string
+}