add support for multi adventurer vrf reveal

[loothero]

key to this feature is that the caller triggering this request needs to own all of the adventurers it is being called for.

keep in mind, this only applies for games that have been started with delay stat reveal.

When we get VRF back from Pragma, the call data will include an array of adventurer ids. We'll hash the VRF with adventurer id and then store it on the adventurer for their starting entropy / level seed.