Merge pull request #963 from nikita-jain-01/main

Adding programming resources

programming-language-resources.md

@@ -63,10 +63,12 @@
     - [Quick HTML Tutorial for Beginners](https://www.youtube.com/playlist?list=PLr6-GrHUlVf_ZNmuQSXdS197Oyr1L9sPB)
     - [HTML Crash Course for Beginners (1 hr)](https://www.youtube.com/watch?v=UB1O30fR-EE)
     - [Basic HTML and HTML5](https://www.freecodecamp.org/learn/responsive-web-design/basic-html-and-html5/)
+    - [W3 Schools](https://www.w3schools.com/html/)
 - CSS
     - [Quick CSS Tutorial for Beginners](https://www.youtube.com/playlist?list=PLr6-GrHUlVf8JIgLcu3sHigvQjTw_aC9C)
     - [CSS Crash Course for absolute Beginners](https://www.youtube.com/watch?v=yfoY53QXEnI)
     - [Basic CSS](https://www.freecodecamp.org/learn/responsive-web-design/basic-css/)
+    - [W3 Schools](https://www.w3schools.com/css/)
 - Javascript
     - [Learn Javascript in 12 minutes](https://www.youtube.com/watch?v=Ukg_U3CnJWI)
     - [Javascript Beginner Tutorials](https://www.youtube.com/playlist?list=PL41lfR-6DnOrwYi5d824q9-Y6z3JdSgQa)