End each fingering chart at the thumb hole.

The beak, window, and mouthpiece lines are gone. The staff stays underneath. Version 0.2.4.

Co-authored-by: catpersonisme <catpersonisme@gmail.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "recorder-tab-converter",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "private": true,
   "description": "Arrange soprano recorder fingering charts by dragging them onto a line.",
   "main": "electron/main.cjs",