chore: expose previous position with a getter (#2046)

src/main/java/net/minestom/server/entity/Entity.java

@@ -1478,6 +1478,15 @@ public class Entity implements Viewable, Tickable, Schedulable, Snapshotable, Ev
         return position;
     }
 
+    /**
+     * Gets the previous entity position.
+     *
+     * @return the previous position of the entity
+     */
+    public @NotNull Pos getPreviousPosition() {
+        return previousPosition;
+    }
+
     /**
      * Gets the entity eye height.
      * <p>