[ECS Tutorial] Making an RTS with Unity's Entity Component System - Highlight Attachment

In this tutorial we cover how to attach an entity to an existing entity. This is part 4 of the tutorial series making a full-featured RTS using Unity's Entity Component System. Link to final code: https://github.com/skhamis/Unity-ECS-RTS Link to TransformSystem (Attaching) documentation: https://github.com/Unity-Technologies/EntityComponentSystemSamples/blob/master/Documentation%7E/transform_system.md#attaching-transformations