https://give.firstinspires.org/give/234591/#!/donation/checkout
FIRST has this link live and says " All fundraising proceeds will be distributed to Team 4418 by FIRST and directed toward the immediate and long-term needs stemming from this tragedy related to grieving, recovery, and memorializing Kendrick."
I saw people holding off on donating to the go fundmepage for verification. I guess this is the best place to donate.