Compilers free programming course pt br (#8502)

* Adding Compiler Fundamentals Course

* Update free-courses-pt_BR.md

* Update free-courses-pt_BR.md

courses/free-courses-pt_BR.md

@@ -4,6 +4,7 @@
 * [C](#c)
 * [C#](#csharp)
 * [C++](#cpp)
+* [Compiladores](#compiladores)
 * [Dart](#dart)
 * [Database](#database)
 * [Delphi](#delphi)
@@ -73,6 +74,11 @@
 * [Curso de C++ - A linguagem de programação fundamental para quem quer ser um programador](https://www.youtube.com/playlist?list=PLx4x_zx8csUjczg1qPHavU1vw1IkBcm40) - Canal Fessor Bruno (CFBCursos)
 
 
+### Compiladores
+
+* [Compiladores](https://www.youtube.com/playlist?list=PL9-1FzPYzEfA-QTycUARDqIjakp_NJxe5) - Fábio Mendes
+
+
 ### Dart
 
 * [Curso de Dart Lang](https://www.udemy.com/curso-de-dart-lang-completo/) - Sthefane Soares (Udemy)