Add afrikaans

translations/README-af.md

@@ -50,6 +50,7 @@
 - [Greek](https://github.com/jwasham/coding-interview-university/issues/166)
 - [Malayalam](https://github.com/jwasham/coding-interview-university/issues/239)
 - [Persian - Farsi](https://github.com/jwasham/coding-interview-university/issues/186)
+- [Afrikaans](https://github.com/jwasham/coding-interview-university/issues/1164)
 
 </details>