Make add button accept non .torrent files

renderer/main.js

@@ -227,6 +227,9 @@ function dispatch (action, ...args) {
   if (action === 'openTorrentFile') {
     ipcRenderer.send('openTorrentFile') /* open torrent file */
   }
+  if (action === 'openAddFiles') {
+    ipcRenderer.send('openAddFiles') /* add files with dialog */
+  }
   if (action === 'showCreateTorrent') {
     showCreateTorrent(args[0] /* paths */)
   }

renderer/views/header.js

@@ -39,7 +39,7 @@ function Header (state) {
         <i
           class='icon add'
           title='Add torrent'
-          onclick=${dispatcher('openTorrentFile')}>
+          onclick=${dispatcher('openAddFiles')}>
           add
         </i>
       `