Audiobooks: free audiobooks from LibriVox (search, shelf, chapters, synced listening position)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UaC9HmtHMdRP8dAbN4wAKj

public/index.html

@@ -73,6 +73,7 @@
 <script src="/podcast-view.js"></script>
 <script src="/reader.js"></script>
 <script src="/audiobooks-view.js"></script>
+<script src="/librivox-view.js"></script>
 <script src="/lyrics-view.js"></script>
 <script src="/settings.js"></script>
 <script src="/files.js"></script>