Add bot worker

src/Managing.Domain/Bots/Bot.cs

@@ -15,7 +15,6 @@ namespace Managing.Domain.Bots
         public int Interval { get; set; }
         public BotStatus Status { get; set; }
         private CancellationTokenSource CancellationToken { get; set; }
-        public string Data { get; set; }
 
         public Bot(string name)
         {
@@ -74,7 +73,7 @@ namespace Managing.Domain.Bots
             return Name;
         }
 
-        public abstract string GetBackup();
+        public abstract void SaveBackup();
         public abstract void LoadBackup(BotBackup backup);
     }
 }

src/Managing.Domain/Bots/IBot.cs

@@ -8,7 +8,7 @@
         void Restart();
         string GetStatus();
         string GetName();
-        string GetBackup();
+        void SaveBackup();
         void LoadBackup(BotBackup backup);
     }
 }