add files from main project

doric/template/singleton.h

@@ -0,0 +1,25 @@
+#ifndef SINGLETON_H
+#define SINGLETON_H
+
+#include <QDebug>
+
+class Singleton
+{
+private:
+    static Singleton *local_instance;
+    Singleton() {
+        qDebug() << "constructor";
+    }
+
+    ~Singleton() {
+        qDebug() << "destructor";
+    }
+
+public:
+    static Singleton *getInstance() {
+        static Singleton locla_s;
+        return &locla_s;
+    }
+};
+
+#endif // SINGLETON_H