Update README.md

Author: kodeine

README.md

@@ -1,5 +1,5 @@
 # Fluent Meta Data for Eloquent Models
-[![Laravel](https://img.shields.io/badge/Laravel-~6.0-green.svg?style=flat-square)](http://laravel.com)
+[![Laravel](https://img.shields.io/badge/Laravel-~8.0-green.svg?style=flat-square)](http://laravel.com)
 [![Source](http://img.shields.io/badge/source-kodeine/laravel--meta-blue.svg?style=flat-square)](https://github.com/kodeine/laravel-meta/)
 [![Build Status](http://img.shields.io/travis/kodeine/laravel--meta/master.svg?style=flat-square)](https://travis-ci.org/kodeine/laravel-meta)
 [![License](http://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](https://tldrlegal.com/license/mit-license)
@@ -297,4 +297,4 @@ You can also use it on eloquent relations.
 ```php
 /* Post model */
 public $hideMeta = true; // Do not add metas to array
-```
+```