[Feature] Super reactions support (#2707)

* super reactions

* add type to `GetReactionUsers` methods

* add `MeBurst`

src/Discord.Net.WebSocket/API/Gateway/Reaction.cs

@@ -1,20 +1,33 @@
 using Newtonsoft.Json;
 
-namespace Discord.API.Gateway
+namespace Discord.API.Gateway;
+
+internal class Reaction
 {
-    internal class Reaction
-    {
-        [JsonProperty("user_id")]
-        public ulong UserId { get; set; }
-        [JsonProperty("message_id")]
-        public ulong MessageId { get; set; }
-        [JsonProperty("channel_id")]
-        public ulong ChannelId { get; set; }
-        [JsonProperty("guild_id")]
-        public Optional<ulong> GuildId { get; set; }
-        [JsonProperty("emoji")]
-        public Emoji Emoji { get; set; }
-        [JsonProperty("member")]
-        public Optional<GuildMember> Member { get; set; }
-    }
+    [JsonProperty("user_id")]
+    public ulong UserId { get; set; }
+
+    [JsonProperty("message_id")]
+    public ulong MessageId { get; set; }
+
+    [JsonProperty("channel_id")]
+    public ulong ChannelId { get; set; }
+
+    [JsonProperty("guild_id")]
+    public Optional<ulong> GuildId { get; set; }
+
+    [JsonProperty("emoji")]
+    public Emoji Emoji { get; set; }
+
+    [JsonProperty("member")]
+    public Optional<GuildMember> Member { get; set; }
+
+    [JsonProperty("burst")]
+    public bool IsBurst { get; set; }
+
+    [JsonProperty("burst_colors")]
+    public Optional<Color[]> BurstColors { get; set; }
+
+    [JsonProperty("type")]
+    public ReactionType Type { get; set; }
 }