message: (docs) - missing import/dependency in Next.js example
diff: @@ -185,9 +185,9 @@ To set up `next-urql`, first we'll install `next-urql` with `react-is` and `urql
  peer dependencies:
  ```sh
  -yarn add next-urql react-is urql
  +yarn add next-urql react-is urql graphql
  # or
  -npm install --save next-urql react-is urql
  +npm install --save next-urql react-is urql graphql
  ```
  The peer dependency on `react-is` is inherited from `react-ssr-prepass` requiring it.
  @@ -204,6 +204,7 @@ Optimization"](https://nextjs.org/docs/advanced-features/automatic-static-optimi
  // pages/index.js
  import React from 'react';
  import Head from 'next/head';
  +import { useQuery } from "urql";
  import { withUrqlClient } from 'next-urql';
  const Index = () => {
  