add enhancements tab files

src/citra_qt/configuration/configure_enhancements.cpp

@@ -0,0 +1,14 @@
+#include "configure_enhancements.h"
+#include "ui_configure_enhancements.h"
+
+ConfigureEnhancements::ConfigureEnhancements(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::ConfigureEnhancements)
+{
+    ui->setupUi(this);
+}
+
+ConfigureEnhancements::~ConfigureEnhancements()
+{
+    delete ui;
+}