Update README.md

Author: reymon359

README.md

@@ -3,7 +3,7 @@
 Build 30 things in 30 days with 30 tutorials.
 NO frameworks, NO compilers, NO libraries, NO boilerplate.
 
-TODO Showcase here
+[Showcase here](https://reymon359.github.io/JavaScript30/)
 
 All the lessons from the awesome course [JavaScript30](https://javascript30.com/) by Wes Bos.