build(packaging): set up multi-platform packaging and CI/CD

- Add GitHub Actions workflows for CI and releases
- Create icon generation script and SVG source
- Configure electron-builder for macOS, Windows, Linux
- Add macOS entitlements for code signing
- Add Linux post-install/remove scripts
- Enhance package.json with publishing scripts
- Add artifact naming convention

resources/icons/README.md

@@ -0,0 +1,68 @@
+# ClawX Application Icons
+
+This directory contains the application icons for all supported platforms.
+
+## Required Files
+
+| File | Platform | Description |
+|------|----------|-------------|
+| `icon.svg` | Source | Vector source for all icons |
+| `icon.icns` | macOS | Apple Icon Image format |
+| `icon.ico` | Windows | Windows ICO format |
+| `icon.png` | All | 512x512 PNG fallback |
+| `16x16.png` - `512x512.png` | Linux | PNG set for Linux |
+
+## Generating Icons
+
+### Using the Script
+
+```bash
+# Make the script executable
+chmod +x scripts/generate-icons.sh
+
+# Run icon generation
+./scripts/generate-icons.sh
+```
+
+### Prerequisites
+
+**macOS:**
+```bash
+brew install imagemagick librsvg
+```
+
+**Linux:**
+```bash
+apt install imagemagick librsvg2-bin
+```
+
+**Windows:**
+Install ImageMagick from https://imagemagick.org/
+
+### Manual Generation
+
+If you prefer to generate icons manually:
+
+1. **macOS (.icns)**
+   - Create a `.iconset` folder with properly named PNGs
+   - Run: `iconutil -c icns -o icon.icns ClawX.iconset`
+
+2. **Windows (.ico)**
+   - Use ImageMagick: `convert icon_16.png icon_32.png icon_64.png icon_128.png icon_256.png icon.ico`
+
+3. **Linux (PNGs)**
+   - Generate PNGs at: 16, 32, 48, 64, 128, 256, 512 pixels
+
+## Design Guidelines
+
+- **Background**: Gradient from #6366f1 to #8b5cf6 (Indigo to Violet)
+- **Corner Radius**: ~20% of width (200px on 1024px canvas)
+- **Foreground**: White claw symbol with "X" accent
+- **Safe Area**: Keep 10% margin from edges
+
+## Updating the Icon
+
+1. Edit `icon.svg` with your vector editor (Figma, Illustrator, Inkscape)
+2. Run `./scripts/generate-icons.sh`
+3. Verify generated icons look correct
+4. Commit all generated files