Add icons8 sponsor to the homepage

Update the icons8 logo and put the logo on the frontpage
Signed-off-by: Jelle van der Waa <jelle@archlinux.org>

templates/public/index.html

@@ -203,6 +203,11 @@ <h4>More Resources</h4>
         <img src="{% static "hetzner_logo.png" %}"
             title="" alt="Hetzner logo"/>
     </a>
+
+    <a href="https://icons8.com/" title="Icons8">
+        <img src="{% static "icons8_logo.png" %}"
+            title="" alt="Icons8 logo"/>
+    </a>
 </div>
 {% endcache %}
 {% endblock %}