Move files to include and src directories

src/main.cpp

@@ -0,0 +1,9 @@
+#include "DRAWer_2_0.h"
+#include <QtWidgets/QApplication>
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    DRAWer_2_0 window;
+    window.show();
+    return app.exec();
+}