Add commands for Broker, autosave and clean logging

PlantBox.Broker/PlantBox.cs

@@ -42,10 +42,15 @@ namespace PlantBox.Broker
             {
                 State = PlantState.Warning;
             }
-            if ((DateTime.Now - LastMeasureDate).TotalMinutes > 6)
+            if ((DateTime.Now - LastMeasureDate).TotalMinutes >= 7)
             {
                 State = PlantState.Bad;
             }
         }
+
+        public override string ToString()
+        {
+            return $"{ID}:\n    Name: {Name}\n    Type: {Type}\n    State: {State}";
+        }
     }
 }