docs: update playground badge

Author: davidstackio

README.md

@@ -10,7 +10,7 @@
 
 [![npm version][npm-version-src]][npm-version-href]
 [![License][license-src]][license-href]
-[![🏀 Online Playground][playground-src]][playground-href]
+[![🏀 Playground][playground-src]][playground-href]
 
 > [!NOTE]
 >
@@ -216,5 +216,5 @@ Learn about [authoring Nuxt modules](https://nuxt.com/docs/guide/going-further/m
 [license-href]: https://npmjs.com/package/@nuxtify/core
 [nuxtify-src]: https://img.shields.io/badge/Nuxtify_Docs-00DC82
 [nuxtify-href]: https://nuxtify.dev/docs
-[playground-src]: https://img.shields.io/badge/%F0%9F%8F%80_Online_Playground-Demo-00DC82?labelColor=020420
+[playground-src]: https://img.shields.io/badge/%F0%9F%8F%80_Playground-Demo-00DC82?labelColor=020420
 [playground-href]: https://stackblitz.com/github/nuxtify-dev/core?file=playground%2Fapp.vue