[Feature] Voice channel status support (#2777)

* initial commit

* MOCKED CHANNELS AGRHHHHHHHH

* fix for sharded

* yup

src/Discord.Net.WebSocket/Entities/Channels/SocketVoiceChannel.cs

@@ -38,6 +38,11 @@ namespace Discord.WebSocket
         /// <inheritdoc/>
         public VideoQualityMode VideoQualityMode { get; private set; }
 
+        /// <summary>
+        ///     Gets the voice channel status set in this channel. <see langword="null" /> if it is not set.
+        /// </summary>
+        public virtual string Status { get; private set; }
+
         /// <summary>
         ///     Gets a collection of users that are currently connected to this voice channel.
         /// </summary>
@@ -51,12 +56,19 @@ namespace Discord.WebSocket
             : base(discord, id, guild)
         {
         }
+
         internal new static SocketVoiceChannel Create(SocketGuild guild, ClientState state, Model model)
         {
             var entity = new SocketVoiceChannel(guild?.Discord, model.Id, guild);
             entity.Update(state, model);
             return entity;
         }
+
+        internal void UpdateVoiceStatus(string status)
+        {
+            Status = status;
+        }
+
         /// <inheritdoc />
         internal override void Update(ClientState state, Model model)
         {
@@ -65,8 +77,13 @@ namespace Discord.WebSocket
             UserLimit = model.UserLimit.GetValueOrDefault() != 0 ? model.UserLimit.Value : (int?)null;
             VideoQualityMode = model.VideoQualityMode.GetValueOrDefault(VideoQualityMode.Auto);
             RTCRegion = model.RTCRegion.GetValueOrDefault(null);
+            Status = model.Status.GetValueOrDefault(null);
         }
 
+        /// <inheritdoc />
+        public virtual Task SetStatusAsync(string status, RequestOptions options = null)
+            => ChannelHelper.ModifyVoiceChannelStatusAsync(this, status, Discord, options);
+
         /// <inheritdoc />
         public Task ModifyAsync(Action<VoiceChannelProperties> func, RequestOptions options = null)
             => ChannelHelper.ModifyAsync(this, Discord, func, options);