add an attribution for the usb image

attributions.html

@@ -22,6 +22,11 @@
 						is licensed under
 						<a href="https://creativecommons.org/licenses/by-sa/2.0/">CC BY-SA 2.0</a>
 					</li>
+					<li>
+						That weird usb mouse comic on the about page is
+						by
+						<a href="https://www.instagram.com/hunter.slugdaddy/">Hunter Scheiderer</a>
+					</li>
 				</ul>
 			</article>
 		</main>