Add link to Undefined Academy repository

Updated README to include a link to the new repository.

Author: glrodasz

README.md

@@ -1,4 +1,5 @@
-# ⛺ Semana 1
+> # ⚠️ Mira el nuevo repositorio de Undefined Academy en https://github.com/glrodasz/academy
+## ⛺ Semana 1
 
 > 🏕️ [Base de conocimientos.](https://undefinedshell.notion.site/Semana-1-1cd3b0f777a44b4894456521cc0e649c#627a510ea8514e5fbd4cf6b206dc2048)