Add image source link to webpage. Resolves #40

Author: RaoulLuque

index.html

@@ -80,6 +80,11 @@ <h1>RustBoy 🦀</h1>
     </div>
 </div>
 
+<p style="color: #ccc; margin-top: 40px;">
+    Image source: <a href="https://commons.wikimedia.org/wiki/File:Gameboy.svg" target="_blank" style="color: #4CAF50;">Wikimedia
+    Commons</a>
+</p>
+
 <script type="module">
     import initSync, {run} from './pkg/rustboy.js';