Update README.md

Author: Aurélien Ooms

README.md

@@ -1,12 +1,12 @@
 [aureooms/js-red-black-tree](https://aureooms.github.io/js-red-black-tree)
 ==
 
+<img src="https://cdn.rawgit.com/aureooms/js-red-black-tree/master/media/sketch.svg" width="864">
+
 ```js
 let tree = RedBlackTree.from( increasing , range( 100000 ) ) ;
 ```
 
-<img src="https://cdn.rawgit.com/aureooms/js-red-black-tree/master/media/sketch.svg" width="864">
-
 Red-black tree library for JavaScript.
 See [documentation](https://aureooms.github.io/js-red-black-tree/index.html).
 Parent is [@aureooms/js-bst](https://github.com/aureooms/js-bst).