Update Rust Courses (EbookFoundation#5040)

* Update Rust Courses

Added Rust Courses which were good in quality on YouTube and beginner friendly.

* Update free-courses-en.md

Changed the order of resources.

* Update free-courses-en.md

Update

* Update free-courses-en.md

Removed a blank line. Lint problems fixed.

* Update free-courses-en.md

Update

* Update free-courses-en.md

Removed YouTube..

free-courses-en.md

@@ -54,6 +54,7 @@
 * [QB64](#QB64)
 * [R](#r)
 * [Ruby](#ruby)
+* [Rust](#rust)
 * [Scala](#scala)
 * [Security](#security)
 * [Software Engineering](#software-engineering)
@@ -585,6 +586,15 @@
 * [RubyMonk - Interactive Ruby tutorials](https://rubymonk.com)
 
 
+### Rust
+
+* [Intro to Rust](https://www.youtube.com/playlist?list=PLJbE2Yu2zumDF6BX6_RdPisRVHgzV02NW) - Tensor Programming
+* [Rust Basics](https://www.youtube.com/playlist?list=PLlcnQQJK8SUjApd95LIcd3K9XXmE-IeCS) - Engineer Man 
+* [Rust Crash Course](https://www.youtube.com/watch?v=zF34dRivLOw) - Traversy Media
+* [Rust Projects](https://www.youtube.com/playlist?list=PLJbE2Yu2zumDD5vy2BuSHvFZU0a6RDmgb) - Tensor Programming
+* [Rust Tutorial](https://www.youtube.com/playlist?list=PLLqEtX6ql2EyPAZ1M2_C0GgVd4A-_L4_5) - Doug Milford 
+
+
 ### Scala
 
 * [Functional Programming Principles in Scala](https://www.coursera.org/course/progfun)