restructure and add server/client example

app/inc/App.hpp

@@ -0,0 +1,43 @@
+#include <array>
+#include "canvas/Canvas.hpp"
+#include "DnaStore.hpp"
+class App
+{
+
+public:
+  App() = default;
+  ~App() = default;
+  void init(int screenWidth, int screenHeight);
+  void update();
+  void draw();
+  void deinit();
+
+private:
+  void upTex(Liked liked);
+
+  int screenWidth, screenHeight;
+  Canvas canvas;
+
+  int pos = 0;
+  std::array<RenderTexture2D, 2> canvasTexure = {0};
+
+  float rotation = 0.0f;
+  Vector2 mouseStart;
+  bool validHit = false;
+  float len;
+  float ofset;
+
+  Liked topLiked = Liked::tbd;
+
+  Rectangle destA;
+  Rectangle destB;
+  Rectangle likeBox;
+  Rectangle disLikeBox;
+
+  std::array<UiUnit, 2> unit = {0};
+
+  DnaManagerData manager;
+
+  Rectangle likedTextBox;
+  Rectangle genTextBox;
+};