Add README with install instructions, controls, and scoring

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

README.md

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+# OMA-RIODS
+
+A classic Asteroids arcade game built with Love2D for [Omarchy](https://omarchy.org/) Linux.
+
+Vector wireframe aesthetic that auto-detects your Omarchy system theme and font — the game matches your desktop.
+
+## Install
+
+```bash
+curl -sL https://git.no-signal.uk/nosignal/oma-riods/raw/branch/master/install.sh | bash
+```
+
+This will:
+- Install Love2D if not present
+- Clone the game to `~/.local/share/oma-riods/`
+- Add an icon and launcher entry to your app menu
+- Refresh the app launcher
+
+Search **OMA-RIODS** in your app launcher to play.
+
+## Uninstall
+
+```bash
+oma-riods-uninstall
+```
+
+## Controls
+
+| Key | Action |
+|-----|--------|
+| **Left / Right** or **A / D** | Rotate ship |
+| **Up** or **W** | Thrust |
+| **Space** | Fire (max 4 bullets) |
+| **Shift** | Hyperspace (random teleport, 25% death risk) |
+| **Enter** | Start game |
+| **Escape** | Quit |
+
+## Gameplay
+
+- Destroy asteroids — large ones split into medium, medium into small
+- Dodge and shoot UFO saucers for bonus points
+- Screen wraps for ship and asteroids, bullets expire at edges
+- Extra life every 10,000 points
+- Persistent high scores with 3-letter initial entry
+
+## Scoring
+
+| Target | Points |
+|--------|--------|
+| Large asteroid | 20 |
+| Medium asteroid | 50 |
+| Small asteroid | 100 |
+| Large saucer | 200 |
+| Small saucer | 1,000 |
+
+## Omarchy Integration
+
+- **Theme colours** auto-detected from your active Omarchy theme
+- **System font** detected from your Waybar config
+- **Full-screen** via SUPER+F (Hyprland compositor)
+- Switch themes with `omarchy-theme-set` and relaunch — the game adapts
+
+## Requirements
+
+- [Omarchy](https://omarchy.org/) Linux (or any Arch with Love2D)
+- Love2D (`sudo pacman -S love`)
+
+## Run from source
+
+```bash
+git clone https://git.no-signal.uk/nosignal/oma-riods.git
+cd oma-riods
+love .
+```
+
+## License
+
+MIT