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.Tests/Fixtures/ServerFixture.cs

@@ -15,6 +15,9 @@ namespace Server.Tests
             // Configure / Initialize
             TestMapDefinitions.ConfigureTestMapDefinitions();
 
+            // Configure the world
+            World.Configure();
+
             // Load the world
             World.Load();
         }