fix streaming

Author: huseeiin

packages/start/src/config/dev-server.ts

@@ -43,6 +43,8 @@ export function devServer(): Array<PluginOption> {
 
         return async () => {
           vitePreviewServer.middlewares.use(async (req, res) => {
+            res.setHeader("Content-Encoding", "identity");
+
             const webReq = new NodeRequest({ req, res });
 
             const webRes = await app.fetch(webReq);