Add call protocol, Rmux. Update AmneziaWG. Fixes and improvements

include/call.go

@@ -0,0 +1,17 @@
+//go:build with_call
+
+package include
+
+import (
+	"github.com/sagernet/sing-box/adapter/inbound"
+	"github.com/sagernet/sing-box/adapter/outbound"
+	"github.com/sagernet/sing-box/protocol/call"
+)
+
+func registerCallInbound(registry *inbound.Registry) {
+	call.RegisterInbound(registry)
+}
+
+func registerCallOutbound(registry *outbound.Registry) {
+	call.RegisterOutbound(registry)
+}