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>

casts/free-podcasts-screencasts-en.md

@@ -1,7 +1,7 @@
 ### Index
 
 * [Android](#android)
-* [C#](#c-sharp)
+* [C#](#csharp)
 * [C++](#cpp)
 * [Clojure](#clojure)
 * [Common Lisp](#common-lisp)
@@ -40,7 +40,7 @@
 * [The complete Android Application Development Course - Work Great in 2020](https://www.youtube.com/playlist?list=PLknSwrodgQ72X4sKpzf5vT8kY80HKcUSe) - Android Developer (screencast)
 
 
-### <a id="c-sharp"></a>C&#x23;
+### <a id="csharp"></a>C\#
 
 * [Beginning C# with Unity](https://www.youtube.com/playlist?list=PLFgjYYTq6xyhtVK6VzLiFe3pmBu-XSNlX) - Brian Douglas Moakley, VegetarianZombie (screencast)
 * [How to program in C# - Beginner Course \| Brackeys](https://www.youtube.com/playlist?list=PLPV2KyIb3jR6ZkG8gZwJYSjnXxmfPAl51) - Asbjørn Thirslund (screencast)

casts/free-podcasts-screencasts-pt_BR.md

@@ -12,7 +12,7 @@
 * [PHP](#php)
 * [Python](#python)
 * [TypeScript](#typescript)
-  * [Angular](#angular)
+    * [Angular](#angular)
 * [Vue.js](#vuejs)
 
 
@@ -78,17 +78,17 @@
 
 ### Language Agnostic
 
- * [Castálio Podcast](http://castalio.info) (podcast)
- * [DevNaEstrada](http://devnaestrada.com.br) (podcast)
- * [Grok Podcast](http://www.grokpodcast.com) (podcast)
- * [Hipsters Ponto Tech](http://hipsters.tech) (podcast)
- * [Lambda3](https://blog.lambda3.com.br/category/podcast) (podcast)
- * [NerdTech (Jovem Nerd)](https://jovemnerd.com.br/playlist/nerdtech) (podcast)
- * [PODebug](http://www.podebug.com) (podcast)
- * [PodProgramar](https://mundopodcast.com.br/podprogramar) (podcast)
- * [podTag](https://podtag.com.br) (podcast)
- * [Screencast DevMedia - Lazy Load](https://www.youtube.com/playlist?list=PLi75dzoFwEbo89TG5IaD4ODYPeJK9uxA5) (screencast)
- * [Screencasts - Andre Baltieri](https://www.youtube.com/playlist?list=PLTMuY7ptzFISwigIWpZQtp6b0TuEEvqLC) (screencast)
+* [Castálio Podcast](http://castalio.info) (podcast)
+* [DevNaEstrada](http://devnaestrada.com.br) (podcast)
+* [Grok Podcast](http://www.grokpodcast.com) (podcast)
+* [Hipsters Ponto Tech](http://hipsters.tech) (podcast)
+* [Lambda3](https://blog.lambda3.com.br/category/podcast) (podcast)
+* [NerdTech (Jovem Nerd)](https://jovemnerd.com.br/playlist/nerdtech) (podcast)
+* [PODebug](http://www.podebug.com) (podcast)
+* [PodProgramar](https://mundopodcast.com.br/podprogramar) (podcast)
+* [podTag](https://podtag.com.br) (podcast)
+* [Screencast DevMedia - Lazy Load](https://www.youtube.com/playlist?list=PLi75dzoFwEbo89TG5IaD4ODYPeJK9uxA5) (screencast)
+* [Screencasts - Andre Baltieri](https://www.youtube.com/playlist?list=PLTMuY7ptzFISwigIWpZQtp6b0TuEEvqLC) (screencast)
 
 
 ### PHP
@@ -118,4 +118,4 @@
 
 ### Vue.js
 
-* [Série de vídeos sobre Vue.js](https://vimeo.com/channels/1115590/videos/) - Origem: Vedovelli  (screencast)
+* [Série de vídeos sobre Vue.js](https://vimeo.com/channels/1115590/videos/) - Origem: Vedovelli (screencast)

casts/free-podcasts-screencasts-ru.md

@@ -8,7 +8,7 @@
 * [Gulp](#gulp)
 * [Haskell](#haskell)
 * [Java](#java)
-  * [Spring](#spring)
+    * [Spring](#spring)
 * [JavaScript](#javascript)
 * [.NET](#net)
 * [Node.js](#nodejs)
@@ -137,5 +137,3 @@
 ### Webpack
 
 * [Скринкаст Webpack](https://learn.javascript.ru/screencast/webpack) - Илья Кантор (Screencast)
-
-