Move CONTRIBUTING.md to the root directory

PiperOrigin-RevId: 867451876
Change-Id: Ibdaaee8902a1c1150e99225632300778c016f5f6
This commit is contained in:
Augustin Zidek
2026-02-09 00:40:58 -08:00
committed by Copybara-Service
parent ebfe70a27a
commit ceb32296c7