feat(smarts3-server): Introduce native custom S3 server implementation (Smarts3Server) with routing, middleware, context, filesystem store, controllers and XML utilities; add SmartXml and AWS SDK test; keep optional legacy s3rver backend.

readme.md

@@ -5,12 +5,14 @@
 ## 🌟 Features
 
 - 🏃 **Lightning-fast local S3 simulation** - No more waiting for cloud operations during development
-- 🔄 **Full AWS S3 API compatibility** - Drop-in replacement for S3 in your tests
-- 📂 **Local directory mapping** - Your buckets live right on your filesystem
+- ⚡ **Native custom S3 server** - Built on Node.js http module with zero framework dependencies (default)
+- 🔄 **Full AWS S3 API compatibility** - Drop-in replacement for AWS SDK v3 and other S3 clients
+- 📂 **Local directory mapping** - Your buckets live right on your filesystem with Windows-compatible encoding
 - 🧪 **Perfect for testing** - Reliable, repeatable tests without cloud dependencies
 - 🎯 **TypeScript-first** - Built with TypeScript for excellent type safety and IDE support
 - 🔧 **Zero configuration** - Works out of the box with sensible defaults
 - 🧹 **Clean slate mode** - Start fresh on every test run
+- 🔀 **Legacy compatibility** - Optional s3rver backend support for backward compatibility
 
 ## 📦 Installation
 
@@ -410,7 +412,7 @@ interface ISmarts3ContructorOptions {
 - [`@push.rocks/smartbucket`](https://www.npmjs.com/package/@push.rocks/smartbucket) - Powerful S3 abstraction layer
 - [`@push.rocks/smartfile`](https://www.npmjs.com/package/@push.rocks/smartfile) - Advanced file system operations
 - [`@tsclass/tsclass`](https://www.npmjs.com/package/@tsclass/tsclass) - TypeScript class helpers
-- [`s3rver`](https://www.npmjs.com/package/s3rver) - The underlying S3 server implementation
+- [`s3rver`](https://www.npmjs.com/package/s3rver) - Optional legacy S3 server implementation (used when `useCustomServer: false`)
 
 ## License and Legal Information