Enhance BunHttpServer with port configuration and server management

* Added a private _port property to manage the server port.
* Updated constructor to accept a BunServer instance.
* Implemented listen method to start the Bun server with specified configurations.
* Introduced stop method to gracefully stop the Bun server.

src/net/http/BunHttpServer.ts

@@ -16,11 +16,16 @@ export class BunHttpServer<T> {
   private readonly _logger = LoggerFactory.getLogger('BunHttpServer');
   private readonly _webSocketHandler: WebSocketHandler<T> | undefined;
   private readonly _routes: BunRoutes;
+  private _port: number = 5000;
+  private _bunServer: BunServer<unknown> | undefined;
 
-  constructor(routes: BunRoutes, webSocketHandler: WebSocketHandler<T> | undefined) {
+  constructor(routes: BunRoutes, webSocketHandler: WebSocketHandler<T> | undefined, bunServer: BunServer<unknown>) {
     this._routes = routes;
     this._webSocketHandler = webSocketHandler;
-    this.fetch = this.fetch.bind(this);
+  }
+
+  get port(): number {
+    return this._port;
   }
 
   get websocket(): WebSocketHandler<T> | undefined {
@@ -31,15 +36,26 @@ export class BunHttpServer<T> {
     return this._routes;
   }
 
-  public addRoute(path: string, handler: BunRouteHandler): void {
-    if (this._routes[path]) {
-      throw new Error(`Route [${path}] already exists`);
+  public listen(port: number): Promise<void> {
+    this._port = port;
+
+    return new Promise((resolve) => {
+      this._bunServer = Bun.serve({
+        fetch: this.fetch.bind(this),
+        port: this._port,
+        hostname: '0.0.0.0',
+        websocket: this._webSocketHandler,
+        routes: this._routes
+      });
+      resolve();
+    });
   }
   
-    this._routes[path] = handler.bind(this);
+  public stop(): void {
+    this._bunServer?.stop();
   }
 
-  public async fetch(request: BunRequest, server: BunServer<unknown>): Promise<Response> {
+  private async fetch(request: BunRequest, server: BunServer<unknown>): Promise<Response> {
     const url = new globalThis.URL(request.url);
 
     this._logger.info('Received [%s] request from [%s] for unknown route [%s]', request.method, server.requestIP(request)?.address ?? 'unknown', url.pathname);