Add support for updating audio block ✨

Author: KoditkarVedant

Src/Notion.Client/Api/Blocks/RequestParams/BlocksUpdateParameters/UpdateBlocks/AudioUpdateBlock.cs

@@ -0,0 +1,10 @@
+using Newtonsoft.Json;
+
+namespace Notion.Client
+{
+    public class AudioUpdateBlock : UpdateBlock, IUpdateBlock
+    {
+        [JsonProperty("audio")]
+        public IFileObjectInput Audio { get; set; }
+    }
+}

Src/Notion.Client/Models/File/FIleInput/ExternalFileInput.cs

@@ -0,0 +1,16 @@
+using Newtonsoft.Json;
+
+namespace Notion.Client
+{
+    public class ExternalFileInput : IFileObjectInput
+    {
+        [JsonProperty("external")]
+        public Data External { get; set; }
+
+        public class Data
+        {
+            [JsonProperty("url")]
+            public string Url { get; set; }
+        }
+    }
+}

Src/Notion.Client/Models/File/FIleInput/IFileObjectInput.cs

@@ -0,0 +1,6 @@
+namespace Notion.Client
+{
+    public interface IFileObjectInput
+    {
+    }
+}

Src/Notion.Client/Models/File/FIleInput/UploadedFileInput.cs

@@ -0,0 +1,20 @@
+using System;
+using Newtonsoft.Json;
+
+namespace Notion.Client
+{
+    public class UploadedFileInput : IFileObjectInput
+    {
+        [JsonProperty("file")]
+        public Data File { get; set; }
+
+        public class Data
+        {
+            [JsonProperty("url")]
+            public string Url { get; set; }
+
+            [JsonProperty("expiry_time")]
+            public DateTime ExpiryTime { get; set; }
+        }
+    }
+}