Update README.md

Author: cclauss

README.md

@@ -5,6 +5,7 @@
 These algorithms are for demonstration purposes only. There are many sort implementations in the Go standard library that may have better performance.
 
 For a full list of all algorithms, please see: [DIRECTORY.md](https://github.com/TheAlgorithms/Go/blob/master/DIRECTORY.md)
+Also see: https://algorithmswithgo.com
 
 ## Sort Algorithms