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-hi.md

@@ -9,17 +9,17 @@
 * [Git and GitHub](#git-and-github)
 * [HTML and CSS](#html-and-css)
 * [Java](#java)
-* [Javascript](#javascript)
-  * [Next.js](#nextjs)
-  * [React](#react)
+* [JavaScript](#javascript)
+    * [Next.js](#nextjs)
+    * [React](#react)
 * [Machine Learning](#machine-learning)
 * [PHP](#php)
 * [Python](#python)
-  * [Django](#django)
-  * [Flask](#flask)
+    * [Django](#django)
+    * [Flask](#flask)
 * [R](#r)
 * [Ruby](#ruby)
-  * [Ruby on Rails](#ruby-on-rails)
+    * [Ruby on Rails](#ruby-on-rails)
 
 
 ### Algorithms
@@ -99,7 +99,7 @@
 * [Web Development Tutorials for Beginners in Hindi: HTML, CSS, JavaScript and more](https://www.youtube.com/playlist?list=PLu0W_9lII9agiCUZYRsvtGTXdxkzPyItg) - CodeWithHarry
 
 
-### Java 
+### Java
 
 * [Complete Java Programming in Hindi](https://www.youtube.com/playlist?list=PLmRclvVt5DtnqhXTJwd-oqVRwO3bLZCGV) - Anand Kumar, CodeitUp
 * [Core Java Programming (Hindi)](https://www.youtube.com/playlist?list=PLbGui_ZYuhij8Oplrvjt_RlDliZQgdxoV) - Rajesh Kumar, Geeky Shows
@@ -113,7 +113,7 @@
 * [Spring Boot Tutorial For Beginners (in Hindi)](https://www.youtube.com/playlist?list=PL5mjp3QjkuoLPS-L28yKCKyzCMX8WRVno) - ProgRank
 
 
-### Javascript
+### JavaScript
 
 * [JavaScript Tutorial \| Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9ajyk081To1Cbt2eI5913SsL) - CodeWithHarry
 * [JavaScript Tutorial for Beginners (In Hindi)](https://www.youtube.com/playlist?list=PLwGdqUZWnOp1hqyT6h7pY0RlXIIGlE5U0) - Vinod Bahadur Thapa (Thapa Technical)
@@ -166,7 +166,7 @@
 #### Django
 
 * [Django (Hindi)](https://www.youtube.com/playlist?list=PLbGui_ZYuhigchy8DTw4pX4duTTpvqlh6) - Rajesh Kumar, Geeky Shows
-* [Django REST Framework (Hindi)](https://www.youtube.com/playlist?list=PLbGui_ZYuhijTKyrlu-0g5GcP9nUp_HlN) - Rajesh Kumar, Geeky Shows 
+* [Django REST Framework (Hindi)](https://www.youtube.com/playlist?list=PLbGui_ZYuhijTKyrlu-0g5GcP9nUp_HlN) - Rajesh Kumar, Geeky Shows
 * [Django Tutorial for Beginners(Hindi)](https://www.youtube.com/playlist?list=PLgPJX9sVy92yWUMgLpWrXtegKxrWLRnRv) - Vijay Manral, CS Geeks
 * [Django(Hindi)](https://www.youtube.com/playlist?list=PLbGui_ZYuhigchy8DTw4pX4duTTpvqlh6) - Rajesh Kumar, GeekyShows
 * [Python Django Tutorials In Hindi](https://www.youtube.com/playlist?list=PLu0W_9lII9ah7DDtYtflgwMwpT3xmjXY9) - CodeWithHarry