Update downloads.html

Author: maujin111

pages/downloads.html

@@ -68,7 +68,9 @@ <h4 class="my-0 font-weight-normal">macOS</h4>
               </ul>
               <br>
 
-              <button type="button" class="btn btn-raised btn-gray disabled">Unavailable</button>
+               <a href="https://github.com/LibreSprite/LibreSprite/releases/download/v1.0/libresprite-macos-x86_64.zip" download>
+                <button type="button" class="btn btn-raised btn-gray">App<i class="large material-icons">cloud_download</i></button>
+              </a>
 
             </div>
           </div>