Add cargo entity

entities/cargo_entity.h

@@ -0,0 +1,24 @@
+#ifndef CARGO_ENTITY_H
+#define CARGO_ENTITY_H
+
+#include <QString>
+#include <QCryptographicHash>
+
+
+class cargo_entity
+{
+private:
+    unsigned long long _id;
+    QString _title;
+    unsigned int _volume;
+
+public:
+    cargo_entity() = default;
+    cargo_entity(const QString &title, int volume);
+
+    unsigned long long id();
+    QString title();
+    unsigned int volume();
+};
+
+#endif // CARGO_ENTITY_H