Add naiveproxy outbound

include/naive_outbound.go

@@ -0,0 +1,12 @@
+//go:build with_naive_outbound
+
+package include
+
+import (
+	"github.com/sagernet/sing-box/adapter/outbound"
+	"github.com/sagernet/sing-box/protocol/naive"
+)
+
+func registerNaiveOutbound(registry *outbound.Registry) {
+	naive.RegisterOutbound(registry)
+}