cargo component refactoring

src/lib/ecs/component/CargoComponent.h

@@ -0,0 +1,10 @@
+#pragma once
+
+// Single shared salvage cargo pool for a ship (REQ-MOD-CARGO-CAPACITY). Attached
+// to a ship at spawn only when its cargo capacity stat is greater than 0. All of
+// the ship's salvage modules deposit into this one pool; delivery draws from it.
+struct CargoComponent
+{
+    int maxCapacity;
+    int current;
+};