feat: add initial README.md for project documentation and setup instructions

Author: hebertcisco

README.md

@@ -0,0 +1,32 @@
+# @srcpush/code-push-cli
+
+Management CLI for [Source Push](https://srcpush.com/) — deploy React Native OTA updates, manage apps, deployments, and releases.
+
+## Install
+
+```bash
+npm install -g @srcpush/code-push-cli
+```
+
+## Quick start
+
+```bash
+srcpush login
+srcpush app add MyApp
+srcpush release-react MyApp ios -d Staging
+```
+
+## Documentation
+
+- [Migration from App Center](docs/migration-from-appcenter.md)
+- [Command reference](docs/commands.md)
+- [Development guide](docs/development.md)
+- [Architecture](docs/architecture.md)
+
+## Requirements
+
+- Node.js 18+
+
+## License
+
+MIT