Add Tailscale endpoint

include/tailscale.go

@@ -0,0 +1,17 @@
+//go:build with_tailscale
+
+package include
+
+import (
+	"github.com/sagernet/sing-box/adapter/endpoint"
+	"github.com/sagernet/sing-box/dns"
+	"github.com/sagernet/sing-box/protocol/tailscale"
+)
+
+func registerTailscaleEndpoint(registry *endpoint.Registry) {
+	tailscale.RegisterEndpoint(registry)
+}
+
+func registerTailscaleTransport(registry *dns.TransportRegistry) {
+	tailscale.RegistryTransport(registry)
+}