v0.9.23

- numerous bug fixes
 - wtv-setup + bgmusic
  - wtv-setup pages thanks to https://github.com/JarHead4
  - wtv-backgroundmusic support
  - keyboard and text size settings support
  - removed small midi music demo in favor of backgroundmusic system

zefie_wtvp_minisrv/ServiceVault/wtv-setup/reset-musicobj.js

@@ -0,0 +1,6 @@
+var music_obj = {};
+ssid_sessions[socket.ssid].setSessionData("wtv-bgmusic", music_obj);
+ssid_sessions[socket.ssid].saveSessionData();
+headers = `300 OK
+Location: wtv-setup:/choose-bg-songs
+wtv-backgroundmusic-load-playlist: wtv-setup:/get-playlist`;