Use the shared Music Pack soundtrack

manifest.json

@@ -5,5 +5,5 @@
   "author": "ct",
   "description": "The novel template's own content: a town where you can go into a bar or back home, and a way back from both. Only scenes, scenarios and text; backgrounds and sound come from town_pack. Rename it after your game (<game>_game) and grow your story from here.",
   "category": "story",
-  "depends": ["shell2d_base>=1", "dialog_base>=1", "audio_base>=1", "town_pack>=1"]
+  "depends": ["shell2d_base>=1", "dialog_base>=1", "audio_base>=1", "town_pack>=1", "music_pack>=1"]
 }