Add rule-set match command

adapter/router.go

@@ -71,6 +71,7 @@ func RouterFromContext(ctx context.Context) Router {
 
 type HeadlessRule interface {
 	Match(metadata *InboundContext) bool
+	String() string
 }
 
 type Rule interface {
@@ -79,7 +80,6 @@ type Rule interface {
 	Type() string
 	UpdateGeosite() error
 	Outbound() string
-	String() string
 }
 
 type DNSRule interface {