docs: update Vue 3 npm reference (#158)

Author: richex-cn

packages/vue3-selecto/README.md

@@ -2,7 +2,7 @@
 <p align="middle" ><img src="https://daybrush.com/selecto/images/logo.png" /></p>
 <h2 align="middle">Vue 3 Selecto</h2>
 <p align="middle">
-<a href="https://www.npmjs.com/package/vue-selecto" target="_blank"><img src="https://img.shields.io/npm/v/vue-selecto.svg?style=flat-square&color=007acc&label=version" alt="npm version" /></a>
+<a href="https://www.npmjs.com/package/vue3-selecto" target="_blank"><img src="https://img.shields.io/npm/v/vue3-selecto.svg?style=flat-square&color=007acc&label=version" alt="npm version" /></a>
 <img src="https://img.shields.io/badge/language-typescript-blue.svg?style=flat-square"/>
 <a href="https://github.com/daybrush/selecto/blob/master/LICENSE" target="_blank"><img src="https://img.shields.io/github/license/daybrush/selecto.svg?style=flat-square&label=license&color=08CE5D"/></a>
 <a href="https://github.com/daybrush/selecto/tree/master/packages/react-selecto" target="_blank"><img alt="React" src="https://img.shields.io/static/v1.svg?label=&message=React&style=flat-square&color=61daeb"></a>