Laying out main page and adding songlistmodel

src/serviceitem.h

@@ -0,0 +1,33 @@
+#ifndef SERVICEITEM_H
+#define SERVICEITEM_H
+
+#include <QAbstractListModel>
+
+class ServiceItem : public QAbstractListModel
+{
+  Q_OBJECT
+
+public:
+  explicit ServiceItem(QObject *parent = nullptr);
+
+  // Basic functionality:
+  int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+
+  QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+  // Editable:
+  bool setData(const QModelIndex &index, const QVariant &value,
+               int role = Qt::EditRole) override;
+
+  Qt::ItemFlags flags(const QModelIndex& index) const override;
+
+  // Add data:
+  bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex()) override;
+
+  // Remove data:
+  bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex()) override;
+
+private:
+};
+
+#endif // SERVICEITEM_H