Update type import in docs

Author: msutkowski

docs/rtk-query/usage/code-generation.mdx

@@ -29,7 +29,6 @@ We provide a package for RTK Query code generation from OpenAPI schemas. It is p
 Create an empty api using `createApi` like
 
 ```ts no-transpile title="src/store/emptyApi.ts"
-
 // Or from '@reduxjs/toolkit/query' if not using the auto-generated hooks
 import { createApi, fetchBaseQuery } from '@reduxjs/toolkit/query/react'
 
@@ -43,8 +42,7 @@ export const emptySplitApi = createApi({
 Generate a config file (json, js or ts) with contents like
 
 ```ts no-transpile title="openapi-config.ts"
-
-import { ConfigFile } from '@rtk-query/codegen-openapi'
+import type { ConfigFile } from '@rtk-query/codegen-openapi'
 
 const config: ConfigFile = {
   schemaFile: 'https://petstore3.swagger.io/api/v3/openapi.json',
@@ -67,7 +65,6 @@ npx @rtk-query/codegen-openapi openapi-config.ts
 ### Programmatic usage
 
 ```ts no-transpile title="src/store/petApi.ts"
-
 import { generateEndpoints } from '@rtk-query/codegen-openapi'
 
 const api = await generateEndpoints({