Adding Rich Harris's Frontend Masters course on FAQ page (#5180)

* Adding Rich Harris's Frontend Masters course on FAQ page

Co-authored-by: Ben McCann <322311+benmccann@users.noreply.github.com>

site/content/faq/200-are-there-any-video-courses.md

@@ -2,7 +2,11 @@
 question: Are there any video courses?
 ---
 
-There are no official ones, but here are a couple of third-part ones that we know of.
+Rich Harris, the creator of Svelte, taught a course:
+
+- [Frontend Masters](https://frontendmasters.com/courses/svelte/)
+
+There are also a couple of third-party courses:
 
 - [Egghead](https://egghead.io/playlists/getting-started-with-svelte-3-05a8541a)
 - [Udemy](https://www.udemy.com/sveltejs-the-complete-guide/)