Update README.md

Author: hackware1993

README.md

@@ -6,9 +6,7 @@
 
 [简体中文](https://github.com/hackware1993/flutter-constraintlayout/blob/master/README_CN.md)
 
-I have developed the world's fastest general purpose sorting algorithm, which is on average 3 times
-faster than Quicksort and up to 20 times
-faster, [ChenSort](https://github.com/hackware1993/ChenSort)
+**I have developed the world's fastest general purpose sorting algorithm, which is on average 3 times faster than Quicksort and up to 20 times faster**, [ChenSort](https://github.com/hackware1993/ChenSort)
 
 A super powerful Stack, build flexible layouts with constraints. Similar to ConstraintLayout for
 Android and AutoLayout for iOS. But the code implementation is much more efficient, it has O(n)