Merge pull request #17 from jessebraham/fixes/misc

Fix Ferrous Systems link, add Video Courses section to table of contents

Author: SergioGasquez

README.md

@@ -8,6 +8,7 @@
 
 - [Community](#community)
 - [Books, Blogs, and Training Materials](#books-blogs-and-training-materials)
+- [Video Courses](#video-courses)
 - [Tools](#tools)
 - [Templates](#templates)
 - [Open Hardware](#open-hardware)
@@ -23,7 +24,7 @@ You can usually find community members (including some employees of Espressif) i
 ## Books, Blogs, and Training Materials
 
 - [EN] [The Rust on ESP Book](https://esp-rs.github.io/book/introduction.html) - The goal of this book is to provide a comprehensive guide on using the Rust programming language with Espressif SoCs and modules.
-- [EN] [Embedded Rust on Espressif](https://esp-rs.github.io/espressif-trainings/) - Training for Rust development on ESP32-C3 by [Ferrous Systems](https://esp-rs.github.io/espressif-trainings/).
+- [EN] [Embedded Rust on Espressif](https://esp-rs.github.io/espressif-trainings/) - Training for Rust development on ESP32-C3 by [Ferrous Systems](https://ferrous-systems.com/training/).
 - [EN] [Scott Mabin - Rust on Espressif chips](https://mabez.dev/blog/posts/) - Quarterly updates about Rust on Espressif chips.
 - [EN] [Bare-Metal Rust on ESP32: A brief overview](https://beta7.io/posts/bare-metal-rust-on-esp32/) - Overview of the `no_std` ecosystem on ESP32 chips.
 - [JP] 倒立振子ロボットを現代制御で動かしたい (I want to run an inverted pendulum robot with modern control)