closes #4: Favorite buttons has been extended with category buttons.

commodity/data/commoditytypedata.h

@@ -12,6 +12,7 @@ class CommodityTypeData :public ComboItem
 
     QX_REGISTER_FRIEND_CLASS(CommodityTypeData)
     Q_PROPERTY(QString name READ name WRITE setName)
+    Q_PROPERTY(QString color READ color WRITE setColor)
 
 public:
     explicit CommodityTypeData(QObject *parent = nullptr);
@@ -22,9 +23,13 @@ public:
     QString name() const;
     void setName(const QString &name);
 
+    QString color() const;
+    void setColor(const QString& color);
+
 private:
     long m_id{0};
     QString m_name;
+    QString m_color;
 
     // ComboItem interface
 public: