adding packages

deprecated/flutter_dynamic_widget/example/windows/runner/window_configuration.cpp

@@ -0,0 +1,7 @@
+#include "window_configuration.h"
+
+const wchar_t* kFlutterWindowTitle = L"example";
+const unsigned int kFlutterWindowOriginX = 10;
+const unsigned int kFlutterWindowOriginY = 10;
+const unsigned int kFlutterWindowWidth = 1280;
+const unsigned int kFlutterWindowHeight = 720;