add smartpointer demo for debug

c_os/user/demo/SmartPointerDemo.h

@@ -0,0 +1,19 @@
+#ifndef __SmartPointerDemo_include__
+#define __SmartPointerDemo_include__
+
+#include "kernel/Globals.h"
+#include <memory>
+
+class SmartPointerDemo : public Thread {
+private:
+    SmartPointerDemo(const SmartPointerDemo& copy) = delete;
+
+public:
+    SmartPointerDemo() {
+        kout << "Initialized SmartPointerDemo" << endl;
+    }
+
+    void run() override;
+};
+
+#endif