Update tutorials page (#146)

* Add tutorial video to docs + redirect old url

* redirect fix

* rename

* redir fix

* readme update

* typo

Author: Kluskey

mirror-docs/docs/tutorials.mdx

@@ -1,6 +1,6 @@
 ---
 sidebar_position: 0
-sidebar_label: Tutorial
+sidebar_label: Tutorials
 ---
 
 import YouTube from 'react-youtube';