backend-infra-engineer: Release v0.3.0 snapshot

docs/01-getting-started.md

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+# Getting Started
+
+This software allows you to modify "The Legend of Zelda: A Link to the Past" (US or JP) ROMs. Built for compatibility with ZScream projects and designed to be cross-platform.
+
+## Quick Start
+
+1. **Download** the latest release for your platform
+2. **Load ROM** via File > Open ROM
+3. **Select Editor** from the toolbar (Overworld, Dungeon, Graphics, etc.)
+4. **Make Changes** and save your project
+
+## General Tips
+
+- **Experiment Flags**: Enable/disable features in File > Options > Experiment Flags
+- **Backup Files**: Enabled by default - each save creates a timestamped backup
+- **Extensions**: Load custom tools via the Extensions menu (C library and Python module support)
+
+## Supported Features
+
+| Feature | Status | Details |
+|---------|--------|---------|
+| Overworld Maps | ✅ Complete | Edit and save tile32 data |
+| OW Map Properties | ✅ Complete | Edit and save map properties |
+| OW Entrances | ✅ Complete | Edit and save entrance data |
+| OW Exits | ✅ Complete | Edit and save exit data |
+| OW Sprites | 🔄 In Progress | Edit sprite positions, add/remove sprites |
+| Dungeon Editor | 🔄 In Progress | View room metadata and edit room data |
+| Palette Editor | 🔄 In Progress | Edit and save palettes, palette groups |
+| Graphics Sheets | 🔄 In Progress | Edit and save graphics sheets |
+| Graphics Groups | ✅ Complete | Edit and save graphics groups |
+| Hex Editor | ✅ Complete | View and edit ROM data in hex |
+| Asar Patching | ✅ Complete | Apply Asar 65816 assembly patches to ROM |
+
+## Command Line Interface
+
+The `z3ed` CLI tool provides ROM operations:
+
+```bash
+# Apply Asar assembly patch
+z3ed asar patch.asm --rom=zelda3.sfc
+
+# Extract symbols from assembly
+z3ed extract patch.asm
+
+# Validate assembly syntax
+z3ed validate patch.asm
+
+# Launch interactive TUI
+z3ed --tui
+```
+
+## Extending Functionality
+
+YAZE provides a pure C library interface and Python module for building extensions and custom sprites without assembly. Load these under the Extensions menu.
+
+This feature is still in development and not fully documented yet.