Added DevOps, HTML&CSS and Linux resources to playground section (#9863)

* Update free-programming-interactive-tutorials-en.md

Added 2 new section in interactive tutorial that is DevOps section and cmd section with game base resource for interactive learning
Added 2 new resources to HTML and CSS section for interactive tutorial

* Update free-programming-interactive-tutorials-en.md

Resolved errors

* Update free-programming-interactive-tutorials-en.md

Removed the alphabetical ordering error

* Update free-programming-interactive-tutorials-en.md

spelling error resolved

* Update free-programming-playgrounds.md

Moved the sections from interactive to playground as suggested

* Update free-programming-interactive-tutorials-en.md

removed the sections from interactive tutorial since they have been moved to playground as suggested

* Update free-programming-playgrounds.md

Resolved the errors 
Made changes as suggested
Moved resources from interactive section to playground section for better fit
Added a DevOps index name since there was resource present with name DevOps but it did not had any index name present (index name was missing)for the user to view if there was such resource present until he scrolls down and sees it himself

* Update free-programming-playgrounds.md

Updated :since one resource in the DevOps section was outdated therefore removed one outdated resource

* Update free-programming-playgrounds.md

Made the suggested changes by changing the name from all caps to the suggested format

more/free-programming-playgrounds.md

@@ -9,6 +9,7 @@
 * [ColdFusion](#coldfusion)
 * [Crystal](#crystal)
 * [Dart](#dart)
+* [DevOps](#devops)
 * [Docker](#docker)
 * [Elm](#elm)
 * [Flutter](#flutter)
@@ -59,7 +60,9 @@
 
 ### Assembly
 
+* [Command Challenge](https://cmdchallenge.com) - Command Challenge
 * [Educational Visual CPU Simulator](https://github.com/Belotti01/CPU-Visual-Simulator) - Renato Cortinovis, Nicola Preda, Jonathan Cancelli, Alessandro Belotti, Davide Riva (JAVA, JAR)
+* [OverTheWire](https://overthewire.org) - OverTheWire
 
 
 ### <a id="c"></a>C
@@ -111,6 +114,7 @@
 
 ### DevOps
 
+* [DevOps Dream](https://devops.games) - DevOps Dream
 * [KodeKloud](https://kodekloud.com/kodekloud-engineer/)
 
 
@@ -159,6 +163,8 @@
 * [Dabblet](https://dabblet.com)
 * [Flexbox Froggy](https://flexboxfroggy.com) - Codepip
 * [Flexy Boxes](https://the-echoplex.net/flexyboxes/)
+* [Learn advanced html and css](https://www.theodinproject.com/paths/full-stack-javascript/courses/advanced-html-and-css) - The Odin Project
+* [Learn Intermediate html and css](https://www.theodinproject.com/paths/full-stack-javascript/courses/intermediate-html-and-css) - The Odin Project
 * [SoloLearn](https://code.sololearn.com/web#css)
 * [Tailwind Play](https://play.tailwindcss.com)