Expose message_reference.type on MessageReference (#311)

* Add support for `Type` property in MessageReference

* Update exposed model to be non nullable as documentation states a default value of 0 if not provided

* remove unnecessary whitespace

Co-authored-by: Kuba_Z2 <77853483+KubaZ2@users.noreply.github.com>

* readd newline for formatting

Co-authored-by: Kuba_Z2 <77853483+KubaZ2@users.noreply.github.com>

---------

Co-authored-by: Kuba_Z2 <77853483+KubaZ2@users.noreply.github.com>

Author: Parl4224h

NetCord/JsonModels/JsonMessageReference.cs

@@ -4,6 +4,9 @@ namespace NetCord.JsonModels;
 
 public class JsonMessageReference
 {
+    [JsonPropertyName("type")]
+    public MessageReferenceType? Type { get; set; }
+
     [JsonPropertyName("message_id")]
     public ulong? MessageId { get; set; }
 

NetCord/MessageReference.cs

@@ -4,6 +4,7 @@ public class MessageReference(JsonModels.JsonMessageReference jsonModel) : IJson
 {
     JsonModels.JsonMessageReference IJsonModel<JsonModels.JsonMessageReference>.JsonModel => jsonModel;
 
+    public MessageReferenceType Type => jsonModel.Type.GetValueOrDefault();
     public ulong MessageId => jsonModel.MessageId.GetValueOrDefault();
     public ulong ChannelId => jsonModel.ChannelId.GetValueOrDefault();
     public ulong? GuildId => jsonModel.GuildId;