Update README and documentation for YAZE v0.3.0 release

- Revamped README to reflect the new branding and major features of YAZE, including complete Asar 65816 assembler integration and enhanced CLI tools.
- Added new documentation files for getting started, build instructions, Asar integration, and comprehensive testing guides.
- Removed outdated documentation and streamlined the structure for better navigation.
- Introduced a changelog to track version history and significant updates.
- Updated API reference and added detailed guides for dungeon and overworld editing functionalities.

docs/02-build-instructions.md

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+# Build Instructions
+
+YAZE uses CMake 3.16+ with modern target-based configuration. For VSCode users, install the CMake extensions:
+- https://marketplace.visualstudio.com/items?itemName=twxs.cmake
+- https://marketplace.visualstudio.com/items?itemName=ms-vscode.cmake-tools
+
+## Quick Build
+
+```bash
+# Development build
+cmake --preset dev
+cmake --build --preset dev
+
+# CI build (minimal dependencies)
+cmake --preset ci
+cmake --build --preset ci
+```
+
+## Dependencies
+
+### Core Dependencies
+- **SDL2**: Graphics and input library
+- **ImGui**: Immediate mode GUI library with docking support
+- **Abseil**: Modern C++ utilities library
+- **libpng**: Image processing library
+
+### v0.3.0 Additions
+- **Asar**: 65816 assembler for ROM patching
+- **ftxui**: Terminal UI library for CLI
+- **GoogleTest**: Comprehensive testing framework
+
+## Platform-Specific Setup
+
+### Windows
+
+#### vcpkg (Recommended)
+```json
+{
+  "dependencies": [
+    "abseil", "sdl2", "libpng"
+  ]
+}
+```
+
+#### msys2 (Advanced)
+Install packages: `mingw-w64-x86_64-gcc`, `mingw-w64-x86_64-cmake`, `mingw-w64-x86_64-sdl2`, `mingw-w64-x86_64-libpng`, `mingw-w64-x86_64-abseil-cpp`
+
+### macOS
+```bash
+brew install cmake sdl2 zlib libpng abseil boost-python3
+```
+
+### Linux
+Use your package manager to install the same dependencies as macOS.
+
+### iOS
+Xcode required. The xcodeproject file is in the `ios` directory. Link `SDL2.framework` and `libpng.a`.
+
+## Build Targets
+
+- **yaze**: Desktop GUI application
+- **z3ed**: Enhanced CLI tool
+- **yaze_c**: C library for extensions
+- **yaze_test**: Test suite executable
+- **yaze_emu**: Standalone SNES emulator