Add the first course of Rust in pt-BR (#10965)

* Add the first course of Rust in pt-BR

This course was created this year. He is very didactic, and its playlist has 67 videos.

* Update courses/free-courses-pt_BR.md

---------

Co-authored-by: Eric Hellman <eric@hellman.net>

courses/free-courses-pt_BR.md

@@ -38,6 +38,7 @@
 * [Raspberry Pi](#raspberry-pi)
 * [React Native](#react-native)
 * [Ruby](#ruby)
+* [Rust](#rust)
 * [Sass](#sass)
 * [Segurança da Informação](#segurança-da-informação)
 * [SEO](#seo)
@@ -372,6 +373,11 @@
 * [Tutorial Rails Girls](http://guides.railsgirls.com/guides-ptbr/)
 
 
+### Rust
+
+* [Programando do 0 ao avançado na linguagem de programação Rust](https://www.youtube.com/playlist?list=PLWmXJQDlXOHX6UdAmXv6euoqDPUtMLpJf) - Lanby 0xff3 λ
+
+
 ### Sass
 
 * [Sass placeholders: o jeito certo](https://www.udemy.com/course/sass-placeholders-o-jeito-certo/) - Tárcio Zemel (Udemy)