fixes handlers not being compatible with deno handlers

router.ts

@@ -6,7 +6,7 @@ interface RouterContext {
   request: Request;
 }
 
-type Handler = (ctx: RouterContext) => Promise<Response> | Response;
+type Handler = (req: Request, ctx: RouterContext) => Promise<Response> | Response;
 type Middleware = (ctx: RouterContext, next: () => Promise<Response>) => Promise<Response>;
 
 interface RouteConfig {
@@ -247,7 +247,7 @@ export class Router {
         return await middleware.handler(middlewareCtx, executeMiddleware);
       }
       // Final handler gets the accumulated parameters
-      return await handler(baseCtx);
+      return await handler(req, baseCtx);
     };
 
     try {