add Rust course by Microsoft (#8187)

Add `Take your first steps with Rust` course by Microsoft.com

courses/free-courses-en.md

@@ -1092,6 +1092,7 @@
 * [Rust Programming Tutorial](https://www.youtube.com/playlist?list=PLzMcBGfZo4-nyLTlSRBvo0zjSnCnqjHYQ) - Tech With Tim
 * [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
+* [Take your first steps with Rust](https://learn.microsoft.com/en-us/training/paths/rust-first-steps/) - Microsoft.com
 
 
 ### Spark