Added second sample for adding reactions

docs/faq/basics/basic-operations.md

@@ -74,7 +74,15 @@ In Discord.Net, an Emote represents a custom-image emote, while an
 Emoji is a Unicode emoji (standard emoji). Both [Emoji] and [Emote]
 implement [IEmote] and are valid options.
 
-[!code-csharp[Emoji](samples/emoji.cs)]
+# [Adding a reaction to another message](#tab/emoji-others)
+
+[!code-csharp[Emoji](samples/emoji-others.cs)]
+
+# [Adding a reaction to a sent message](#tab/emoji-self)
+
+[!code-csharp[Emoji](samples/emoji-self.cs)]
+
+***
 
 [AddReactionAsync]: xref:Discord.IUserMessage.AddReactionAsync*
 

docs/faq/basics/samples/emoji-self.cs

@@ -0,0 +1,17 @@
+// capture the message you're sending in a variable
+var msg = await channel.SendMessageAsync("This will have reactions added.");
+
+// standard Unicode emojis
+Emoji emoji = new Emoji("👍");
+// or
+// Emoji emoji = new Emoji("\uD83D\uDC4D");
+
+// custom guild emotes
+Emote emote = Emote.Parse("<:dotnet:232902710280716288>");  
+// using Emote.TryParse may be safer in regards to errors being thrown;
+// please note that the method does not verify if the emote exists,
+// it simply creates the Emote object for you.
+
+// add the reaction to the message
+await msg.AddReactionAsync(emoji); 
+await msg.AddReactionAsync(emote);