Update help page with clipboard info

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

src/pages/help.vue

@@ -21,6 +21,7 @@
               </ul>
             </li>
             <li>Click on the image file icon <SvgIcon icon="photo_library" class="list-svg"/> to load a picture from the device storage.</li>
+            <li>If the clipboard is available on the system, then there will be a paste icon <SvgIcon icon="clipboard" class="list-svg"/> to paste image data directly into the app.</li>
             <li>If demo mode is turned on, you can click on the marked image icon <SvgIcon icon="photo_sample" class="list-svg"/> to load an ALVINN sample image.</li>
           </ul>
         </li>