Update ClaimMysteryGift.md

Author: jw098

Wiki/Programs/PokemonSV/ClaimMysteryGift.md

@@ -1,5 +1,6 @@
 # Claim Mystery Gift
 
+Video demo: https://youtu.be/F6uf7MzdBY0
 
 # Program Description
 
@@ -50,3 +51,4 @@ Only need to adjust the option for Swtich 0. Ignore the options for the other Sw
 [<img src="https://canary.discordapp.com/api/guilds/695809740428673034/widget.png?style=banner2">](https://discord.gg/cQ4gWxN)
 
 
+