feat: add README.md with project overview, features, community links, and contribution guidelines

README.md

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+# Mesh Forge
+
+Build custom Meshtastic firmware right from your browser. No downloads, no toolchains—everything runs in the cloud.
+
+## Features
+
+- **Zero Install** - Everything runs in your browser
+- **Custom Firmware** - Build bespoke Meshtastic firmware tailored to your exact needs
+- **Community Extensions** - Include community modules and extensions beyond core Meshtastic
+- **Share & Remix** - Publish your build profiles and let others remix your configs
+- **Cloud Builds** - Compile in the cloud, flash directly to your device
+
+## Community
+
+Join our Discord community: [https://discord.gg/8KgJpvjfaJ](https://discord.gg/8KgJpvjfaJ)
+
+## Contributing to Mesh Forge
+
+```bash
+# Install dependencies
+bun install
+
+# Run development server
+bun run dev
+
+# Build for production
+bun run build
+
+# Lint code
+bun run lint
+```
+
+## License
+
+[Add your license here]
+