Add webhook

src/Managing.Application.Abstractions/Services/IUserService.cs

@@ -8,5 +8,6 @@ public interface IUserService
     Task<User> GetUserByAddressAsync(string address);
     Task<User> UpdateAgentName(User user, string agentName);
     Task<User> UpdateAvatarUrl(User user, string avatarUrl);
+    Task<User> UpdateTelegramChannel(User user, string telegramChannel);
     User GetUser(string name);
 }