Add icons refactor repo structure

SongDialog.h

@@ -1,31 +0,0 @@
-#ifndef SONGDIALOG_H
-#define SONGDIALOG_H
-
-#include <QDialog>
-#include <QString>
-
-namespace Ui {
-class SongDialog;
-}
-
-class SongDialog : public QDialog
-{
-    Q_OBJECT
-
-public:
-    explicit SongDialog(QWidget *parent = nullptr, const QString &caption = "", const QString &lyrics = "", const QString &vocalLanguage = "");
-    ~SongDialog();
-    
-    QString getCaption() const;
-    QString getLyrics() const;
-    QString getVocalLanguage() const;
-    
-private slots:
-    void on_okButton_clicked();
-    void on_cancelButton_clicked();
-
-private:
-    Ui::SongDialog *ui;
-};
-
-#endif // SONGDIALOG_H