feat: defining server interface

modules/you_done_it/ydi_server.cpp

@@ -0,0 +1,20 @@
+#include "ydi_server.h"
+#include <mutex>
+#include <optional>
+#include <thread>
+#include <zmq.hpp>
+#include <zmq_addon.hpp>
+
+namespace ydi::server {
+struct Service {
+	std::optional<zmq::context_t> context{ std::nullopt };
+	std::optional<zmq::socket_t> socket{ std::nullopt };
+	std::recursive_mutex mtx{};
+};
+
+std::optional<Service> service{ std::nullopt };
+thread_local std::optional<std::thread> receiveThread{ std::nullopt };
+
+void open(int port) {
+}
+}