convert all DNA to uint8_t

inc/canvas/BackGround.hpp

@@ -18,7 +18,7 @@ private:
   void drawStars();
   void drawSun();
   void drawMounten(size_t mountenSegments, int min, int max, Color color, float scale);
-
+  int getColorSet();
   Dna *m_dna;
 
   uint128 mountenSeed;