Addded libs for easier deployment

src/main.rs

@@ -14,7 +14,7 @@ const BIRD_SPEED:i32 = 2;
 const MAX_BIRD_SPEED:i32 = 10;
 const BIRDS_COUNT:i32 = 50;
 const MIN_BIRD_SIZE:i32 = 20;
-const MAX_BIRD_SIZE:i32 = 50;
+const MAX_BIRD_SIZE:i32 = 30;
 
 pub struct Bird{
     shape:Rect,