Update free-courses-en.md (#8093)

added resource for C language

courses/free-courses-en.md

@@ -255,6 +255,7 @@
 * [C Programming & Data Structures](https://www.youtube.com/playlist?list=PLBlnK6fEyqRhX6r2uhhlubuF5QextdCSM) - Sujeet Singh (Neso Academy)
 * [C Programming Tutorial](https://www.youtube.com/playlist?list=PL_RGaFnxSHWoGzOXqtKeM71OLpvZbuU0P)
 * [C Programming Tutorial for Beginners](https://www.youtube.com/watch?v=KJgsSFOSQv0) - Mike Dane (freeCodeCamp)
+* [Programming in C](https://www.youtube.com/playlist?list=PLdo5W4Nhv31a8UcMN9-35ghv8qyFWD9_S) - Jenny's lectures CS/IT NET&JRF 
 * [The Arduino Platform and C Programming](https://www.coursera.org/learn/arduino-platform)