Added New in Course-en.md (#10300)

* Added New in Course-en.md

Have added a new course by cisco networking academy.

* Updatec free-courses-en.md

Made the neccessary change as mentioned.

* Update free-courses-en.md

courses/free-courses-en.md

@@ -891,6 +891,7 @@
 * [JavaScript Course](https://www.theodinproject.com/paths/full-stack-javascript/courses/javascript) - The Odin Project
 * [Javascript course](https://www.youtube.com/playlist?list=PLRAV69dS1uWSxUIk5o3vQY2-_VKsOpXLD) - Hitesh Choudhary
 * [Javascript Essentials](https://www.udemy.com/javascript-essentials/) - Lawrence Turton (Udemy)
+* [Javascript Essentials 1 (JSE)](https://www.netacad.com/courses/programming/javascript-essentials-1) - (Cisco Networking Academy)
 * [Javascript Fundamentals](https://www.udemy.com/course/javascriptfundamentals) - Bharath Thippireddy (Udemy)
 * [JavaScript Leetcode](https://www.youtube.com/playlist?list=PLRKOqqzwh75hcG_D4xjUgbg_BAF3MLtoh) - Endeavour Monk
 * [JavaScript Mini Course 2020](https://www.udemy.com/course/javascript-essentials-mini-course/) - Kalob Taulien (Udemy)