Update Player CharacterAppearanceLoaded

When using custom character implementations such as using a StarterCharacter, people should handle the character appearance themselves. This serves as a note, a warning that CharacterAppearanceLoaded does not fire for custom characters.

Author: Specifix5

content/en-us/reference/engine/classes/Player.yaml

@@ -2696,6 +2696,9 @@ events:
       objects have been inserted into the `Class.Player.Character`.
 
       This event only fires on the server.
+      
+      For custom character implementations, such as using a `Class.StarterPlayer|StarterCharacter`,
+      Use `Class.Player.CharacterAdded` and handle your own accessories.
 
       One use for this event is to ensure all accessories have loaded before
       destroying them. See below for an example of this.