chore: add information for Vue CLI users [ci skip]

Author: WilliamBarlow0216

README.md

@@ -1,6 +1,6 @@
 # create-vue
 
-An easy way to start a Vue project
+The recommended way to start a Vite-powered Vue project
 
 ## Usage
 
@@ -15,3 +15,15 @@ npm init vue@2
 ```
 
 Note that the version number (`@3` or `@2`) MUST NOT be omitted, otherwise `npm` may resolve to a cached and outdated version of the package.
+
+## Difference from Vue CLI
+
+- Vue CLI is based on webpack, while `create-vue` is based on [Vite](https://vitejs.dev/). Vite supports most of the configured conventions found in Vue CLI projects out of the box, and provides a significantly better development experience due to its extremely fast startup and hot-module replacement speed. Learn more about why we recommend Vite over webpack [here](https://vitejs.dev/guide/why.html).
+
+- Unlike Vue CLI, `create-vue` itself is just a scaffolding tool: it creates a pre-configured project base on the features you choose, and delegates the rest to Vite. Projects scaffolded this way can directly leverage the [Vite plugin ecosystem](https://vitejs.dev/plugins/) which is Rollup-compatible.
+
+## Migrating from Vue CLI
+
+- [Vue CLI -> Vite Migration Guide from VueSchool.io](https://vueschool.io/articles/vuejs-tutorials/how-to-migrate-from-vue-cli-to-vite/)
+
+- [Tools / Plugins that help with auto migration](https://github.com/vitejs/awesome-vite#vue-cli)