Added logic surplus calculation intrabuilding wise

src/services/Surplus.h

@@ -0,0 +1,28 @@
+//
+// Created by StanislausCichocki on 10.03.2025.
+//
+
+#ifndef SURPLUS_H
+#define SURPLUS_H
+#include <functional>
+#include <memory>
+#include "../model/Community.h"
+#include <vector>
+
+
+class Community;
+
+class Surplus {
+private:
+    std::vector<std::shared_ptr<Community>> &communities;
+    public:
+    Surplus(std::vector<std::shared_ptr<Community>> &communities):communities(communities){};
+
+    void CalculateSurplus(std::vector<std::shared_ptr<Community>> &communities);
+
+    void CalculateBuildingSurplus(Building::Base&);
+};
+
+
+
+#endif //SURPLUS_H