Add 'additional information' section for emoji article

docs/guides/emoji/emoji.md

@@ -73,4 +73,9 @@ After obtaining the raw emote string, you could use
 
 > [!TIP]
 > For WebSocket users, you may also consider fetching the Emote
-> via the @Discord.WebSocket.SocketGuild.Emotes collection.
+> via the @Discord.WebSocket.SocketGuild.Emotes collection.
+
+## Additional Information
+
+To learn more about emote and emojis and how they could be used,
+see the documentation of @Discord.IEmote.