Shrink stone

Suggestions
1

Imported from legacy Flarum.
Original author: kokayn_addicted (Flarum #1394)

Make Shrink Stone also shrink pets like Warg, Hawk, and other pets.

2

Imported from legacy Flarum.
Original author: hoegenaamd (Flarum #1246)

I’d suggest we have 2 shrink stones instead, leave the existing one untouched and this new item shrink stone ii that shrink the said case