update keyboarddemo to threads

c_os/user/demo/KeyboardDemo.h

@@ -0,0 +1,29 @@
+/*****************************************************************************
+ *                                                                           *
+ *                        K E Y B O A R D D E M O                            *
+ *                                                                           *
+ *---------------------------------------------------------------------------*
+ * Beschreibung:    Testausgaben für den CGA-Treiber.                        *
+ *                                                                           *
+ * Autor:           Michael Schoettner, HHU, 26.10.2018                      *
+ *****************************************************************************/
+
+#ifndef __KeyboardDemo_include__
+#define __KeyboardDemo_include__
+
+#include "kernel/Globals.h"
+#include "kernel/threads/Thread.h"
+
+class KeyboardDemo : public Thread {
+private:
+    KeyboardDemo(const KeyboardDemo& copy) = delete;
+
+public:
+    KeyboardDemo() {
+        kout << "Initialized KeyboardDemo" << endl;
+    }
+
+    void run() override;
+};
+
+#endif