chore: some refactors

JOBot.TClient/Commands/StartCommand.cs

@@ -6,13 +6,17 @@ namespace JOBot.TClient.Commands;
 
 public class StartCommand(ITelegramBotClient bot, UserService userService) : ITelegramCommand
 {
+    private const string ReturnMessage = "Привет! Я JOBot, помощник по поиску работы в IT.";
     public async Task ExecuteAsync(Update update, CancellationToken ct)
     {
-        var isRegistered = await userService.RegisterAsync(
-            update.Message?.Chat.Id ?? throw new Exception("Chat id is null"),
+        await userService.RegisterAsync(
+            update.Message!.Chat.Id,
             update.Message.Chat.Username);
         
             await bot.SendMessage(chatId: update.Message.Chat.Id,
-                isRegistered ? "You registered" : "Not registered", cancellationToken: ct);
+                "Продолжая, вы принимаете политику конфиденциальности и правила сервиса" +
+                "\nhttps://hh.ru/article/personal_data?backurl=%2F&role=applicant" +
+                "\nhttps://hh.ru/account/agreement?backurl=%2Faccount%2Fsignup%3Fbackurl%3D%252F%26role%3Dapplicant&role=applicant", 
+                cancellationToken: ct);
     }
 }