Added angular cheatsheet (#10937)

Co-authored-by: yuvraj2502 <yuvrajv2502@gmail.com>

more/free-programming-cheatsheets.md

@@ -1,5 +1,6 @@
 ### Index
 
+* [Angular](#angular)
 * [Ansible](#ansible)
 * [APL](#apl)
 * [Artificial Intelligence](#artificial-intelligence)
@@ -59,6 +60,11 @@
 * [Webpack](#webpack)
 
 
+### Angular
+
+* [Angular Cheat Sheet](https://angular.io/guide/cheatsheet) 
+
+
 ### Ansible
 
 * [Ansible Basic Cheat Sheet](https://intellipaat.com/blog/tutorial/devops-tutorial/ansible-basic-cheat-sheet) - Intellipaat (HTML)