Installer v. 1.2.6

• Improved file name sorting with natural number ordering:
  • Files are now sorted naturally (Chapter1, Chapter2, Chapter11 instead of Chapter1, Chapter11, Chapter2)
  • Applied to both file list view and folder tree navigation
  • Handles mixed alphanumeric file names correctly
• Added file overwrite confirmation for drag & drop operations:
  • Shows confirmation dialog when dropping files that already exist in target directory
  • Lists which files would be overwritten with option to cancel
  • Supports both single and multiple file conflicts
  • Prevents accidental file overwrites during drag & drop