[Feature Request] Add a config option to set ItemFlags to ALL items, instead of doing it per item.

Summary

A config option, maybe in config-items.yml, where people can set which ItemFlags they want on all items.

Usage

It's the same as using it per item, just better and easier.

Value

Saves time and item config lines.

Priority

Pretty useful and basic, so can't see why it shouldn't be a priority.

Implementation

They would just have to turn on a boolean to enable this feature and then, there would be a list like this: HideFlags: enabled: true flags: