Import worship setlists with confirmed song matches and keys

frontend/index.html

@@ -661,6 +661,7 @@
     <script src="midi.js"></script>
     <script src="lower-third.js"></script>
     <script src="vocal-reducer.js"></script>
+    <script src="setlist-import.js"></script>
     <script src="app.js"></script>
   </body>
 </html>