techdocs: migrate nfs addons to utility API

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/techdocs-react/report-alpha.api.md

@@ -31,13 +31,6 @@ export const attachTechDocsAddonComponentData: <P>(
   data: TechDocsAddonOptions,
 ) => void;
 
-// @alpha (undocumented)
-export const techDocsAddonDataRef: ConfigurableExtensionDataRef<
-  TechDocsAddonOptions,
-  'techdocs.addon',
-  {}
->;
-
 // @public
 export const TechDocsAddonLocations: Readonly<{
   readonly Header: 'Header';

plugins/techdocs-react/src/alpha.ts

@@ -29,8 +29,7 @@ import {
 /** @alpha */
 export type { TechDocsAddonOptions, TechDocsAddonLocations } from './types';
 
-/** @alpha */
-export const techDocsAddonDataRef =
+const techDocsAddonDataRef =
   createExtensionDataRef<TechDocsAddonOptions>().with({
     id: 'techdocs.addon',
   });
@@ -41,10 +40,7 @@ export const techDocsAddonDataRef =
  */
 export const AddonBlueprint = createExtensionBlueprint({
   kind: 'addon',
-  attachTo: [
-    { id: 'page:techdocs/reader', input: 'addons' },
-    { id: 'entity-content:techdocs', input: 'addons' },
-  ],
+  attachTo: { id: 'api:techdocs/addons', input: 'addons' },
   output: [techDocsAddonDataRef],
   factory: (params: TechDocsAddonOptions) => [techDocsAddonDataRef(params)],
   dataRefs: {