docs: add missing import

Author: LouisHaftmann

docs/content/1.getting-started/1.index.md

@@ -29,8 +29,9 @@ npm install @falcondev-oss/trpc-vue-query
 
 ```ts [main.ts]
 import { createTRPCVueQueryClient } from '@falcondev-oss/trpc-vue-query'
-import type { AppRouter } from '../your_server/trpc'
 import { VueQueryPlugin, useQueryClient } from '@tanstack/vue-query'
+import { httpBatchLink } from '@trpc/client'
+import type { AppRouter } from '../your_server/trpc'
 
 app.use(VueQueryPlugin)
 app.use({