Update README.md

Author: iradche

languages/README.md

@@ -50,6 +50,12 @@ CRAN - The Comprehensive R Archive Network: https://cran.r-project.org/
 Основы программирования на R: https://stepik.org/course/%D0%9E%D1%81%D0%BD%D0%BE%D0%B2%D1%8B-%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F-%D0%BD%D0%B0-R-497/      
 
 
+# Для продвинутых
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+Why Haskell Is Worth Learning: https://spin.atomicobject.com/2013/03/05/why-haskell/       
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