Update intro tutorial playlist link - opening wiki page (#642)

Author: HelperWesley

docs/gdevelop5/index.md

@@ -21,4 +21,4 @@ GDevelop is designed to be fast and intuitive: build games using an easy-to-unde
 
 * [Download and start GDevelop](https://gdevelop.io/download). Read the [Getting Started](/gdevelop5/getting_started) guide if you need help.
 * If you've never made a game before, read the [Basic game-making concepts](/gdevelop5/tutorials/basic-game-making-concepts) guide and follow the tasks on GDevelop's "Get Started" page, including the guided tutorials.
-* If you're ready to start making a game, watch the [Official Intro Tutorial Video Series](https://www.youtube.com/watch?v=595-swNh0Mw&list=PL3YlZTdKiS89Kj7IQVPoNElJCWrjZaCC8&index=1).
+* If you're ready to start making a game, watch the [Official Intro Tutorial Video Series](https://www.youtube.com/watch?v=OsPTdjhqur8&list=PL3YlZTdKiS8-wDBb_40p7symnBvIub90S).