feat: file properties in settings (resolution, size, format, modified, path)

lib/l10n/app_en.arb

@@ -8,6 +8,12 @@
   "shortcuts": "Shortcuts",
   "shortcutsList": "• Left/Right arrow — previous/next image\n• Ctrl+O — open file\n• Ctrl+S — save visible area (JPEG 95)\n• Ctrl+R — flip horizontally (clears effects, press again to undo)\n• Ctrl+Q — close window\n• Ctrl+Shift+Q — close all windows\n• F11 — toggle fullscreen\n• Esc — exit fullscreen\n• Scroll — zoom (10% per step)\n• Ctrl+scroll — fine zoom (1% per step)\n• Left-drag — pan\n• Double click — toggle fill/fit\n• Right double click — reset effects\n• Right-drag — contrast\n• Shift+right-drag — rotate\n• Ctrl+right-drag — saturation\n• Ctrl+Shift+right-drag — brightness",
   "print": "Print",
+  "fileProperties": "File properties",
+  "propResolution": "Resolution",
+  "propFileSize": "File size",
+  "propFormat": "Format",
+  "propModified": "Modified",
+  "propPath": "Path",
   "close": "Close",
   "saveCrop": "Save visible area (JPEG 95)",
   "cropSaved": "Saved: {path}",