🚀 feat(_ext): extend files

controller_application.cpp

@@ -0,0 +1,14 @@
+#include "controller_application.h"
+#include <QDebug>
+
+ControllerApplication *ControllerApplication::instance = nullptr;
+ControllerApplication *ControllerApplication::ins() {
+    if(!instance){
+        instance = new ControllerApplication;
+    }
+    return instance;
+}
+
+ControllerApplication::ControllerApplication() {
+
+}