fix: homogenize markdown across files using markdownlint rules (#6988)

* chore: homogenize C# table of content anchor (`#c-sharp` to `#csharp`)

* format: homogenize c# category title

right markdown escape instead of use HTML entities

* lint: fix `MD012/no-multiple-blanks` rule

Multiple consecutive blank lines [Expected: 2; Actual: 3]

* lint: fix `MD039/no-space-in-links`

Spaces inside link text

* lint: fix `MD009/no-trailing-spaces` rule

Trailing spaces [Expected: 0 or 4; Actual: 1]
Trailing spaces [Expected: 0 or 4; Actual: 2]

* lint: fix `MD006/ul-start-left` rule

* format: remove extra spaces between note tokens

* spell: fix lint `MD044/proper-names` rule

- HTML
- JavaScript
- YouTube

* spell: normalize to the most common `Index` heading

* lint: fix `MD007/ul-indent` rule

Unordered list indentation [Expected: 4; Actual: 2]

* format: escape pipes `|` from resources text

addresses #5176

* add Hesham Asem courses about machine and deep learning and nlp

* Expand the name of nlp section

* Change the order

* Revert "spell: normalize to the most common `Index` heading"

This reverts commit 4d6a74e7d7.

Co-authored-by: AhmedElTabarani <eltabaraniahmed@gmail.com>

courses/free-courses-pt_BR.md

@@ -36,7 +36,7 @@
 * [Shell](#shell)
 * [Swift](#swift)
 * [TypeScript](#typescript)
-  * [Angular](#angular)
+    * [Angular](#angular)
 * [Vue.js](#vuejs)
 * [WordPress](#wordpress)
 
@@ -51,7 +51,7 @@
 
 * [Aprenda C e C++ - Fundamentos Para Lógica de Programação](https://www.udemy.com/c-e-c-fundamentos-para-logica-de-programacao/) - One Day Code (Udemy)
 * [Curso de C](https://www.youtube.com/playlist?list=PLesCEcYj003SwVdufCQM5FIbrOd0GG1M4) - Cláudio Rogério Carvalho Filho (eXcript)
-* [Programação Moderna em C](https://www.youtube.com/playlist?list=PLIfZMtpPYFP5qaS2RFQxcNVkmJLGQwyKE) - Papo Binário (Youtube)
+* [Programação Moderna em C](https://www.youtube.com/playlist?list=PLIfZMtpPYFP5qaS2RFQxcNVkmJLGQwyKE) - Papo Binário (YouTube)
 
 
 ### <a id="csharp"></a>C\#
@@ -221,7 +221,7 @@
 
 ### Node.js
 
-* [Criando APIs com NodeJs ](https://www.youtube.com/playlist?list=PLHlHvK2lnJndvvycjBqQAbgEDqXxKLoqn) - Balta.io (YouTube)
+* [Criando APIs com NodeJs](https://www.youtube.com/playlist?list=PLHlHvK2lnJndvvycjBqQAbgEDqXxKLoqn) - Balta.io (YouTube)
 * [Curso de Node.js](https://www.youtube.com/playlist?list=PLJ_KhUnlXUPtbtLwaxxUxHqvcNQndmI4B) - Victor Lima Guia do Programador (YouTube)
 * [Do Zero A Produção: Aprenda A Construir Uma API Node.Js Com Typescript](https://www.youtube.com/playlist?list=PLz_YTBuxtxt6_Zf1h-qzNsvVt46H8ziKh) - Waldemar Neto Dev Lab (YouTube)
 * [Imersão em desenvolvimento de APIs com Node.js](https://erickwendel.teachable.com/p/node-js-para-iniciantes-nodebr) - Erick Wendel (Teachable)