Recover "Laravel 8 free course" at #5465 (#5501)

* laravel-8-free-course

(cherry picked from commit 603f7cc)

@gustavors22

Co-authored-by: Gustavo Reis <49646779+gustavors22@users.noreply.github.com>

* Move laravel-8-free-course into PHP category

Initial commit made by @gustavors22

Co-authored-by: Gustavo Reis <49646779+gustavors22@users.noreply.github.com>

* Reorganize removing laravel/code igniter section

Initial commit made by @gustavors22.
Completes #5465

Co-authored-by: Gustavo Reis <49646779+gustavors22@users.noreply.github.com>

Co-authored-by: Gustavo Reis <49646779+gustavors22@users.noreply.github.com>

courses/free-courses-pt_BR.md

@@ -28,7 +28,6 @@
 * [Markdown](#markdown)
 * [Node.js](#nodejs)
 * [PHP](#php)
-  * [CodeIgniter](#codeIgniter)
 * [Python](#python)
 * [React Native](#react-native)
 * [Ruby](#ruby)
@@ -222,7 +221,9 @@
 
 * [Boas práticas em PHP](https://www.udemy.com/boas-praticas-em-php/) - Diego Mariano (Udemy)
 * [Curso Básico de Bootstrap 4 , PHP e MySQL](https://www.udemy.com/curso-basico-de-bootstrap-4-php-e-mysql-gratis/) - Ricardo Milbrath Gonçalves (Udemy)
+* [Curso de CodeIgniter para iniciantes](https://www.youtube.com/playlist?list=PLInBAd9OZCzz2vtRFDwum0OyUmJg8UqDV) - RBtech
 * [Curso de PHP para Iniciantes](https://www.youtube.com/playlist?list=PLHz_AreHm4dm4beCCCmW4xwpmLf6EHY9k) - Gustavo Guanabara (Curso em Video)
+* [Curso Introdução ao Laravel 8](https://academy.especializati.com.br/curso/introducao-ao-laravel-8) - Carlos Ferreira (Especializati academy)
 * [Introdução à Criação de Sites Dinâmicos com PHP](https://www.udemy.com/criacao-de-paginas-de-internet-dinamicas-com-php-basico/) - Diego Mariano (Udemy)
 * [Introdução ao PHP orientado a objetos](https://www.udemy.com/php-orientado-a-objetos/) - Diego Mariano (Udemy)
 * [Lógica de Programação com PHP](https://www.youtube.com/playlist?list=PLhTDLccA9vgHHwGZArcUqIZ5AUGwrbZ_A) - Curso Zend Framework (YouTube)
@@ -232,11 +233,6 @@
 * [PHP para quem entende PHP](https://www.udemy.com/php-para-quem-entende-php/) - Alexandre Cardoso (Udemy)
 
 
-#### CodeIgniter
-
-* [Curso de CodeIgniter para iniciantes](https://www.youtube.com/playlist?list=PLInBAd9OZCzz2vtRFDwum0OyUmJg8UqDV) - RBtech
-
-
 ### Python
 
 * [Algoritmos em Python](https://algoritmosempython.com.br) - Douglas do Couto