apply coding style

app/browserforwarder/forwarder.go

@@ -5,11 +5,12 @@ package browserforwarder
 import (
 	"bytes"
 	"context"
-	"github.com/v2fly/v2ray-core/v4/features/extension"
 	"io"
 	"net/http"
 	"time"
 
+	"github.com/v2fly/v2ray-core/v4/features/extension"
+
 	"github.com/v2fly/BrowserBridge/handler"
 
 	"github.com/v2fly/v2ray-core/v4/common"