Add support to retrieve & append Audio block ✨

Author: KoditkarVedant

Src/Notion.Client/Models/Blocks/AudioBlock.cs

@@ -0,0 +1,12 @@
+using Newtonsoft.Json;
+
+namespace Notion.Client
+{
+    public class AudioBlock : Block
+    {
+        public override BlockType Type => BlockType.Audio;
+
+        [JsonProperty("audio")]
+        public FileObject Audio { get; set; }
+    }
+}

Src/Notion.Client/Models/Blocks/Block.cs

@@ -5,6 +5,7 @@
 namespace Notion.Client
 {
     [JsonConverter(typeof(JsonSubtypes), "type")]
+    [JsonSubtypes.KnownSubType(typeof(AudioBlock), BlockType.Audio)]
     [JsonSubtypes.KnownSubType(typeof(BookmarkBlock), BlockType.Bookmark)]
     [JsonSubtypes.KnownSubType(typeof(BulletedListItemBlock), BlockType.BulletedListItem)]
     [JsonSubtypes.KnownSubType(typeof(ChildPageBlock), BlockType.ChildPage)]

Src/Notion.Client/Models/Blocks/BlockType.cs

@@ -64,6 +64,9 @@ public enum BlockType
         [EnumMember(Value = "divider")]
         Divider,
 
+        [EnumMember(Value = "audio")]
+        Audio,
+
         [EnumMember(Value = "unsupported")]
         Unsupported
     }