Add basic prefences window with text editor command field

include/mainwindow.h

@@ -21,6 +21,7 @@
 #include "filterchildrenproxymodel.h"
 #include "newmappopup.h"
 #include "newtilesetdialog.h"
+#include "preferenceeditor.h"
 
 namespace Ui {
 class MainWindow;
@@ -226,6 +227,7 @@ private slots:
     void on_pushButton_ConfigureEncountersJSON_clicked();
 
     void on_actionRegion_Map_Editor_triggered();
+    void on_actionEdit_Preferences_triggered();
 
 private:
     Ui::MainWindow *ui;
@@ -234,6 +236,7 @@ private:
     MapImageExporter *mapImageExporter = nullptr;
     FilterChildrenProxyModel *mapListProxyModel;
     NewMapPopup *newmapprompt = nullptr;
+    PreferenceEditor *preferenceEditor = nullptr;
     QStandardItemModel *mapListModel;
     QList<QStandardItem*> *mapGroupItemsList;
     QMap<QString, QModelIndex> mapListIndexes;

include/ui/preferenceeditor.h

@@ -0,0 +1,31 @@
+#ifndef PREFERENCES_H
+#define PREFERENCES_H
+
+#include <QMainWindow>
+
+class QAbstractButton;
+
+
+namespace Ui {
+class PreferenceEditor;
+}
+
+class PreferenceEditor : public QMainWindow
+{
+    Q_OBJECT
+
+public:
+    explicit PreferenceEditor(QWidget *parent = nullptr);
+    ~PreferenceEditor();
+
+private:
+    Ui::PreferenceEditor *ui;
+
+    void populateFields();
+    void saveFields();
+
+private slots:
+    void dialogButtonClicked(QAbstractButton *button);
+};
+
+#endif // PREFERENCES_H