Update free-courses-pt_BR.md

Add: VS Code Produtividade Inifinita.

It's a free e-book about how to improve your productivity using VS Code.

Author: felipe-cabrera

Diff for: free-courses-pt_BR.md

@@ -34,9 +34,11 @@
 * [Sass](#sass)
 * [Shell](#shell)
 * [Swift](#swift)
+* [VS Code](#vscode)
 * [Vue.js](#vuejs)
 
 
+
 ### Android
 
 * [Android Start - Curso Android - Java Kotlin e Flutter](https://www.udemy.com/android-start-curso-android-basico-java-kotlin-e-flutter/) - Buno de Libero Ferreira (Udemy)
@@ -285,6 +287,8 @@
 
 * [Aprendendo Swift do Iniciante ao Avançado. (Mac e Windows)](https://www.udemy.com/aprendendoswift3/) - Lucas Alencar (Udemy)
 
+### VS Code
+* [VS Code Produtividade infinita](https://github.com/bylearn/VS-Code-Produtividade-Infinita)
 
 ### Vue.js