Add ETA calculation, activity log, keyboard shortcuts, expand format options
- Processing: ETA calculated from elapsed time and progress, per-image log
entries added to activity log with auto-scroll
- Keyboard shortcuts: Ctrl+Q quit, Ctrl+, settings, Ctrl+?/F1 shortcuts dialog
- Shortcuts dialog: AdwAlertDialog with all keyboard shortcuts listed
- Hamburger menu: added Keyboard Shortcuts entry
- Convert step: added AVIF, GIF, TIFF format options with descriptions
- Resize step: removed duplicate rotate/flip (now in Adjustments step),
added missing social media presets (PeerTube, Friendica, Funkwhale,
Instagram Portrait, Facebook Cover/Profile, LinkedIn Cover/Profile,
TikTok, YouTube Channel Art, Threads, Twitter/X, 4K, etc.)
lashman
e8cdddd08d