docs: simplify readme

Author: danielroe

README.md

@@ -23,20 +23,12 @@
 
 ## Quick setup
 
-1. Add `@nuxtjs/html-validator` as a dev dependency to your project
+Add `@nuxtjs/html-validator` to your project
 
 ```bash
 npx nuxi@latest module add html-validator
 ```
 
-2. Add `@nuxtjs/html-validator` to the `modules` section of `nuxt.config.ts`
-
-```js
-export default defineNuxtConfig({
-  modules: ['@nuxtjs/html-validator'],
-})
-```
-
 ## Development
 
 1. Clone this repository