contrib/logo-color: add screenshots from browser

Author: eworm-de

contrib/logo-color.d/browser-01.avif

@@ -23,5 +23,13 @@ <h1>RouterOS-Scripts Logo Color Changer</h1>
 <p>Then right-click, click "<i>Take Screenshot</i>" and finally select the
 logo and download it.</p>
 
+<p><img src="logo-color.d/browser-01.avif" width=533 height=482 alt="Screenshot Browser 01">
+<img src="logo-color.d/browser-02.avif" width=533 height=482 alt="Screenshot Browser 02">
+<img src="logo-color.d/browser-03.avif" width=533 height=482 alt="Screenshot Browser 03"></p>
+
+<p>(This example is with
+<a href="https://www.mozilla.org/de/firefox/new/">Firefox</a>. The workflow
+for other browsers may differ.)</p>
+
 </body>
 </html>