define ship roles via added modules and allow multiple weapons

src/lib/ecs/component/ModuleOwnerComponent.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "entt/entity/entity.hpp"
+
+// Links a capability module child entity back to its owner ship or station.
+struct ModuleOwnerComponent
+{
+    entt::entity owner;
+};