Add Go course to pt_BR list (#6159)

* docs: arrange course list

* docs: add go course

* fix: order course list according to lint

* fix: rearrange hierarchical structure

courses/free-courses-pt_BR.md

@@ -37,6 +37,7 @@
 * [TypeScript](#typescript)
   * [Angular](#angular)
 * [Vue.js](#vuejs)
+* [WordPress](#wordpress)
 
 
 ### Android
@@ -107,7 +108,8 @@
 
 * [Aprenda Go / Golang (Curso Tutorial de Programação)](https://www.youtube.com/playlist?list=PLUbb2i4BuuzCX8CLeArvx663_0a_hSguW) - NBK Mundo Tech (YouTube)
 * [Curso de Introdução a Linguagem Go (Golang)](https://www.youtube.com/playlist?list=PLXFk6ROPeWoAvLMyJ_PPfu8oF0-N_NgEI) - EuProgramador (YouTube)
-* [Go – Aprenda a Programar (Curso)](https://www.youtube.com/playlist?list=PLCKpcjBB_VlBsxJ9IseNxFllf-UFEXOdg) - Ellen Körbes (YouTube)
+* [Curso Golang](https://www.youtube.com/playlist?list=PL3IMfVHTpXw14FL_TRIdHfeYTeOet1GS9) - Universo Mainframe (YouTube)
+* [Go - Aprenda a Programar (Curso)](https://www.youtube.com/playlist?list=PLCKpcjBB_VlBsxJ9IseNxFllf-UFEXOdg) - Ellen Körbes (YouTube)
 * [Programar em Go](https://www.youtube.com/playlist?list=PLV5KfEYwFC1G3r7XlgVCE5HVdVKj-UdRa) - Caffeine Algorithm (YouTube)