Add Blocks api in NotionClient

Author: KoditkarVedant

Src/Notion.Client/NotionClient.cs

@@ -6,6 +6,7 @@ public interface INotionClient
         IDatabasesClient Databases { get; }
         IPagesClient Pages { get; }
         ISearchClient Search { get; }
+        IBlocksClient Blocks { get; }
     }
 
     public class NotionClient : INotionClient
@@ -17,11 +18,13 @@ public NotionClient(ClientOptions options)
             Databases = new DatabasesClient(restClient);
             Pages = new PagesClient(restClient);
             Search = new SearchClient(restClient);
+            Blocks = new BlocksClient(restClient);
         }
 
         public IUsersClient Users { get; }
         public IDatabasesClient Databases { get; }
         public IPagesClient Pages { get; }
         public ISearchClient Search { get; }
+        public IBlocksClient Blocks { get; }
     }
 }