Update README.md
Added link to the Refactoring Workshop
@@ -184,7 +184,7 @@ Nikolaos Tsantalis, Ameya Ketkar, and Danny Dig, "[RefactoringMiner 2.0](https:/
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## Talks about RefactoringMiner
-**Keynote at the Fifth International Workshop on Refactoring (IWoR 2021)**
+**[Keynote at the Fifth International Workshop on Refactoring (IWoR 2021)](https://iwor.github.io/iwor2021/keynote.html)**
[![2021-11-14 22_16_25-Greenshot](https://user-images.githubusercontent.com/1483516/142782871-7f7545d3-3fe7-4d0c-8860-db892757a152.png)](https://www.youtube.com/watch?v=CXO32d1ih3E)
