chore: updated README to provide a clear path to the onboarding resources in case a user closed the Tutorial window [skip ci]

Author: RikuTheFuffs

Experimental/MultiplayerUseCases/README.md

@@ -21,7 +21,9 @@ Each scene comes with an in-editor tutorial that will help you explore the main
 
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 ### 💡 Documentation
-Check out the in-editor tutorials bundled with the sample for a more in-depth technical breakdown of our engineering decisions and why the sample works the way it does.
+Check out the in-editor tutorials bundled with the sample for a more in-depth technical breakdown of our engineering decisions, why the sample works the way it does, and to learn core Netcode For GameObejcts concepts.
+
+You can always access both the Tutorials window and the Welcome Dialog from the *Tutorials* menu.
 
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