Update README.md

Author: jimirobaer

README.md

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-# Receive webhooks in Laravel apps
+<div align="left">
+    <a href="https://spatie.be/open-source?utm_source=github&utm_medium=banner&utm_campaign=laravel-webhook-client">
+      <picture>
+        <source media="(prefers-color-scheme: dark)" srcset="https://spatie.be/packages/header/laravel-webhook-client/html/dark.webp">
+        <img alt="Logo for laravel-webhook-client" src=" https://spatie.be/packages/header/laravel-webhook-client/html/light.webp" height="190">
+      </picture>
+    </a>
+
+<h1>Receive webhooks in Laravel apps</h1>
 
 [![Latest Version on Packagist](https://img.shields.io/packagist/v/spatie/laravel-webhook-client.svg?style=flat-square)](https://packagist.org/packages/spatie/laravel-webhook-client)
 ![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/spatie/laravel-webhook-client/run-tests.yml?branch=main?label=tests)
 [![Total Downloads](https://img.shields.io/packagist/dt/spatie/laravel-webhook-client.svg?style=flat-square)](https://packagist.org/packages/spatie/laravel-webhook-client)
+    
+</div>
 
 A webhook is a way for an app to provide information to another app about a specific event. The way the two apps communicate is with a simple HTTP request.