docs: add prepare script to generate sidebar (#11894)

www/apps/api-reference/utils/get-schema-content.ts

@@ -1,12 +1,12 @@
 import { promises as fs } from "fs"
 import { parseDocument } from "yaml"
-import { SchemaObject } from "../types/openapi"
+import { OpenAPI } from "types"
 import dereference from "./dereference"
 import { unstable_cache } from "next/cache"
 
 async function getSchemaContent_(schemaPath: string, baseSchemasPath: string) {
   const schemaContent = await fs.readFile(schemaPath, "utf-8")
-  const schema = parseDocument(schemaContent).toJS() as SchemaObject
+  const schema = parseDocument(schemaContent).toJS() as OpenAPI.SchemaObject
 
   // resolve references in schema
   const dereferencedDocument = await dereference({