Resprite: pixel art studiov1.59

What changed

• New featureAdded Rectangular, Isometric Diamond, and Hexagon Tilemap Layers
• New featureIntroduced a tileset management system
• New featureAdded Tiled map (.tmx/.tsx) import and export support
• New featureAdded terrain rule editing and terrain painting
• New featureAdded linked tileset layers and tile animation
• UXUpdated Trim Empty Border to use visible content only
• UXFloating-window action bars now collapse on narrow panels
• UXAdjusted arrow-key movement with isometric grid snapping to match tilemap selection

Original release notes

- New: Added Rectangular, Isometric Diamond, and Hexagon Tilemap Layers
- New: Added a tileset management system
- New: Added Tiled map (.tmx/.tsx) import and export
- New: Added terrain rule editing and terrain painting
- New: Added linked tileset layers and tile animation
- Improved: Trim Empty Border now uses visible content only
- Improved: Floating-window action bars collapse on narrow panels
- Changed: Arrow-key movement with isometric grid snapping matches tilemap selection directions