switched a smaller image file for git push

PracticeDx/Ground.cpp

@@ -7,7 +7,7 @@ Ground::Ground(Graphics & gfx, Logger & logger) noexcept
 {
     // Init 2 surfaces
     Surface *yueyueSurface = new Surface();
-    yueyueSurface->LoadImageFromFile(gfx.getDevice(), gfx.getContext(), "resource\\img\\yueyue2.jpg");
+    yueyueSurface->LoadImageFromFile(gfx.getDevice(), gfx.getContext(), "resource\\img\\yueyue.jpg");
     UINT yueyueSlot = yueyueSurface->GetCurrSlot();
 
     Surface *ethanSurface = new Surface();