DiskAtlas v1.0.0

A cross-platform disk space analyzer with treemap visualization

Features:

- Scan local drives, folders, and removable media
- Treemap and tree views for exploring disk usage
- File type breakdown with customizable MIME categories
- Export scan results to CSV
- NTFS-aware scanning on Windows (where supported)
- Check for updates (Help menu)

Notes:
- On first run, Windows SmartScreen might show a warning.
  This is normal for new applications. Click "More info" and then
  "Run anyway" to proceed.

- Requires GTK 3 runtime on Windows portable/installer builds.
