WorldListener (mini2Dx-uats API)

```
public interface WorldListener
```
Common interface for listening to entity creation/deletion MdxWorld events

Methods
Modifier and Type	Method and Description
`void`	`afterEntityCreated(MdxWorld world, int entityId)`
`void`	`beforeEntityDeleted(MdxWorld world, int entityId)`

void afterEntityCreated(MdxWorld world,
                      int entityId)

void beforeEntityDeleted(MdxWorld world,
                       int entityId)

Interface WorldListener