ObjectsHolderManager is a generic script that applies a tag and a layer to all its children. It applies the tag/layer only if defined and if present in the tags/layers lists.
Moved the "holders"prefabs into an ObjectHolders folder
Added the ObjectsHolderManager to the 3 types of object holders and assign the correct tags and layers
ObjectsHolderManagerto the 3 types of object holders and assign the correct tags and layers