fix(compat): add a note about Nuxt Bridge for Nuxt.js users (#1379)

Author: superbiche

src/guide/migration/migration-build.md

@@ -20,7 +20,7 @@ While we've tried hard to make the migration build mimic Vue 2 behavior as much
 
 - Internet Explorer 11 support: [Vue 3 has officially dropped the plan for IE11 support](https://github.com/vuejs/rfcs/blob/master/active-rfcs/0038-vue3-ie11-support.md). If you still need to support IE11 or below, you will have to stay on Vue 2.
 
-- Server-side rendering: the migration build can be used for SSR, but migrating a custom SSR setup is much more involved. The general idea is replacing `vue-server-renderer` with [`@vue/server-renderer`](https://github.com/vuejs/vue-next/tree/master/packages/server-renderer). Vue 3 no longer provides a bundle renderer and it is recommended to use Vue 3 SSR with [Vite](https://vitejs.dev/guide/ssr.html). If you are using [Nuxt.js](https://nuxtjs.org/), it is probably better to wait for Nuxt 3.
+- Server-side rendering: the migration build can be used for SSR, but migrating a custom SSR setup is much more involved. The general idea is replacing `vue-server-renderer` with [`@vue/server-renderer`](https://github.com/vuejs/vue-next/tree/master/packages/server-renderer). Vue 3 no longer provides a bundle renderer and it is recommended to use Vue 3 SSR with [Vite](https://vitejs.dev/guide/ssr.html). If you are using [Nuxt.js](https://nuxtjs.org/), you can try [Nuxt Bridge, a Nuxt.js 2 to 3 compatibility layer](https://v3.nuxtjs.org/getting-started/bridge/). For complex, production projects, it is probably best to wait for [Nuxt 3 (currently in beta)](https://v3.nuxtjs.org/getting-started/introduction).
 
 ### Expectations