jExifToolGUI 2.1.0-als

What's Changed

• Upgrade to Gradle 7.2, fix build, update doc and download links
• Move jexiftoolgui_data folder under .jexiftoolgui folder in user's home directory
• Logs: disable file appender (stdout logs still available)

New Contributors

• @asaintsever made their first contribution in #1

Full Changelog: https://github.com/asaintsever/jExifToolGUI/commits/2.1.0-als