Add roadmap towards 1.0 based on features planned

docs/roadmap.md

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+# Roadmap
+
+## 0.2.X (Current)
+- Overworld Editing Features
+- Palette Editing Features
+- Hex Editing
+
+## 0.3.X
+- Overworld Sprites: Complete sprite editing, add/remove functionality.
+- Tile16 Editing: Implement the core editor to create, modify, and store tile16 data.
+- Palette Editing: Finalize palette editor UI and saving of palette groups.
+- Dungeon Maps: Introduce map layouts and tile-based editing for dungeons.
+
+## 0.4.X
+- Dungeon: Implement room object draw and edit functionality.
+- Graphics Sheets: Complete editing, saving, and re-importing of sheets.
+- Project Refactoring: Clean up resource loading and memory usage.
+
+## 0.5.X
+- Sprite Property Editor: Add support for changing sprite behavior and attributes.
+- Custom Sprites: Support creating and editing custom sprites.
+- Asar Patching: Stabilize existing patching system for advanced modifications.
+
+## 0.6.X
+- SCAD Format: Polish and finalize the scad file integration.
+- Hex Editing Improvements: Enhance user interface for direct ROM manipulation.
+- Music Editing: Add an interface to edit and manage music data.
+
+## 0.7.X
+- Cross-Platform Stability: Test and refine builds across Windows, macOS, iOS, and Linux.
+- Plugin/Integration Framework: Provide hooks or scripting for community add-ons.
+
+## 0.8.X
+- Performance Optimizations: Remove bottlenecks in rendering and data processing.
+- Documentation Overhaul: Update manuals, guides, and in-app tooltips.
+
+## 0.9.X
+- Beta Release: Code freeze on major features, focus on bug fixes and polish.
+- User Interface Refinements: Improve UI consistency, iconography, and layout.
+- Internal Cleanup: Remove deprecated code, finalize API calls.
+
+## 1.0.0
+- Stable Release: Final, production-ready version.
+- Changelog: Comprehensive summary of all changes since 0.0.0.