Added Web Development course (#10223)

* Added Web Development course

* Update free-courses-en.md

Made the necessary changes.

courses/free-courses-en.md

@@ -1586,6 +1586,7 @@
 * [Web Basics](https://open.cs.uwaterloo.ca/web-basics/) - Centre for Education in Math and Computing (University of Waterloo)
 * [Web Development Course](https://syllabus.migracode.org/courses/introduction-3) - MigraCode Barcelona
 * [Web Development for Beginners - A Curriculum](https://github.com/microsoft/Web-Dev-For-Beginners) - Microsoft
+* [Web Development Tutorial By Coding Ninjas (In English)](https://www.youtube.com/playlist?list=PLrk5tgtnMN6TNuhUEf5-UgPxa1wu-l6kP) - Coding Ninjas
 * [Web Development Tutorials for Beginners](https://www.youtube.com/playlist?list=PLoYCgNOIyGAB_8_iq1cL8MVeun7cB6eNc) - LearnCode.academy
 * [Web Information Retrieval](https://www.youtube.com/playlist?list=PLAQopGWlIcya-9yzQ8c8UtPOuCv0mFZkr) - L. Becchetti, A. Vitaletti (University of Sapienza Rome)
 * [Web Programming](https://open.cs.uwaterloo.ca/web-programming/) - Centre for Education in Math and Computing (University of Waterloo)