add cartridge reader

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

main/src/cApp.cpp

@@ -0,0 +1,8 @@
+#include "cApp.h"
+#include "ui/cFrame.h"
+
+bool cApp::OnInit()
+{
+  auto *frame = new cFrame();
+  return frame->Show(true);
+}