add metadata

pkg/components/dialer/dialer.go

@@ -3,11 +3,13 @@ package dialer
 import (
 	"context"
 	"net"
+
+	"github.com/go-gost/gost/pkg/components/metadata"
 )
 
 // Transporter is responsible for dialing to the proxy server.
 type Dialer interface {
-	Init(Metadata) error
+	Init(metadata.Metadata) error
 	Dial(ctx context.Context, addr string, opts ...DialOption) (net.Conn, error)
 }