OverlayCategory constructor
Creates an OverlayCategory instance.
name is the category name.
overlayuid is the parent overlay ID.
subcategories is the list of subcategories.
uid is the category ID.
img is the category icon.
Implementation
OverlayCategory({
required this.name,
required this.overlayuid,
required this.subcategories,
required this.uid,
required this.img,
});