Add pages about the ReScript Association and donations#1016

Draft

fhammerschmidt wants to merge 4 commits intomasterfrom

rescript-assoication-stuff

Commits on May 4, 2025

Add pages about the ReScript Association and donations
fhammerschmidt
committed

Commits on May 5, 2025

Add donation info including QR code
fhammerschmidt
committed

Commits on May 23, 2025