sneak in serializer json stuff (header only, no dep tracking)

solanaceae/tox_messages/nj/tox_message_components_serializer.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <solanaceae/message3/message_serializer.hpp>
+#include "./tox_message_components.hpp"
+
+inline void registerToxMessageComponents(MessageSerializerNJ& msnj) {
+	msnj.registerSerializer<Message::Components::ToxGroupMessageID>();
+	msnj.registerDeserializer<Message::Components::ToxGroupMessageID>();
+}
+