fix(core): Fixes flow for saves, adds logging and configurations (#513)

- [X] Adds better diagnostics for world saves.
- [X] Adds world save stats.
- [X] World now saves to a temporary folder.
- [X] Backups are now stored by timestamp.
- [X] Backup is now made after the world save.
- [X] "Saves" folder is now configurable.
- [X] Temporary folder is now configurable.
- [X] Backups folder is now configurable.

Projects/Server/Utilities/Utility.cs

@@ -1432,5 +1432,13 @@ namespace Server
             result = a - div * b;
             return div;
         }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static string GetTimeStamp()
+        {
+            var now = DateTime.UtcNow;
+
+            return $"{now.Year}-{now.Month}-{now.Day} {now.Hour}-{now.Minute:D2}-{now.Second:D2}";
+        }
     }
 }