Refactor forms/settings/ package.

src/forms/settings/GeneralForm.h

@@ -0,0 +1,21 @@
+#ifndef GENERALFORM_H
+#define GENERALFORM_H
+
+#include <QWidget>
+
+class QVBoxLayout;
+class SelectDialog;
+
+class GeneralForm : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit GeneralForm(QWidget* aParent = nullptr);
+
+private:
+    QVBoxLayout* mLayout;
+    SelectDialog* mSelectDialog;
+};
+
+#endif // GENERALFORM_H