Update free-courses-ar.md

add 
Rust Section
- Rust للغلابة
- Rust and chill بالعربي

Author: ramadan-x

courses/free-courses-ar.md

@@ -48,6 +48,7 @@
 * [R](#r)
 * [RabbitMQ](#rabbitmq)
 * [Redis](#redis)
+* [Rust](#rust)
 * [Software Architecture](#software-architecture)
 * [TypeScript](#typescript)
     * [Angular](#angular)
@@ -563,6 +564,12 @@
 * [Regular Expression tutorial - Arabic‏](https://www.youtube.com/playlist?list=PLwCMLs3sjOY4aVMg7hgQGHyQBZnHgFjJk) - Hard-Code‏
 
 
+### Rust
+
+* [Rust للغلابة](https://www.youtube.com/playlist?list=PLald6EODoOJU0GMuYHlkS9MLhTPE7HiaT) - Ahmed Farghal
+* [Rust and chill بالعربي](https://www.youtube.com/playlist?list=PLald6EODoOJWcSXfix8tgr5aVS76IU11M) - Ahmed Farghal
+
+
 ### Software Architecture
 
 * [Behavioral Design Patterns‏ بالعربى](https://www.youtube.com/playlist?list=PLnqAlQ9hFYdex66Z6ViaYFQqvFD1C_G7j) - Mohammed Reda‏ *(:construction: in process)*