Build system changed to Cmake, ORM changed to QxORM, Qt6 compatibility.

core/enums.h

@@ -8,8 +8,6 @@ class CORESHARED_EXPORT Enums : public QObject
 {
     Q_OBJECT
 
-    Q_ENUMS(VatType)
-    Q_ENUMS(Rounding)
 public:
 
     enum VatType
@@ -28,9 +26,10 @@ public:
         R_MATH
     };
 
-    Enums()
-    {
-    }
+    Q_ENUM(VatType)
+    Q_ENUM(Rounding)
+
+    Enums() = default;
 
 };
 #endif // ENUMS_H