Make tags actually persist through restarts

DeukBot4/MessageHandlers/CommandHandler/TagStorage.cs

@@ -16,7 +16,7 @@ namespace DeukBot4.MessageHandlers.CommandHandler
         public class ServerTags
         {
             private readonly Dictionary<string, string> Tags = new Dictionary<string, string>();
-            private ulong ServerId { get; set; }
+            private ulong ServerId { get; }
 
             public ServerTags(ulong serverId)
             {
@@ -24,6 +24,7 @@ namespace DeukBot4.MessageHandlers.CommandHandler
             }
 
             public ServerTags(ulong serverId, Dictionary<string, string> tags)
+                :this(serverId)
             {
                 Tags = tags;
             }