[refactor] reorganize platform and wire sources

apps/desktop/src/gui/render.cpp

@@ -0,0 +1,15 @@
+#include "render.h"
+
+#include <memory>
+
+#include "application/gui_application.h"
+
+namespace crossdesk {
+
+Render::Render() : application_(std::make_unique<GuiApplication>()) {}
+
+Render::~Render() = default;
+
+int Render::Run() { return application_->Run(); }
+
+} // namespace crossdesk