feat(v1.4.1): Bugfixes + Checklist auto line wrap

Fixed:
- Delete notes from older app versions (v1.2.0 compatibility)
- Checklist sync backwards compatibility (v1.3.x)
  - Fallback content in GitHub task list format
  - Recovery mode for lost checklistItems

Improved:
- Checklist auto line wrap (no maxLines limit)
- Enter key creates new item (via TextWatcher)

Metadata:
- Changelogs for versionCode 12
- IzzyOnDroid metadata updated

.gitignore

@@ -42,3 +42,4 @@ Thumbs.db
 *.tmp
 *.swp
 *~
+test-apks/