Changes for CONTRIBUTING.md: (#2097)
Changes for CONTRIBUTING.md: (#2097)

- 304229156 initial commit of the contributing guide for the Firebase...

PiperOrigin-RevId: 304229156

Co-authored-by: Bryan Kendall <aee22ddf77d91edcd2a29133709a167f3a4e804e@google.com>
firebase/firebase-tools,firebase/firebase-tools,firebase/firebase-tools,firebase/firebase-tools,firebase/firebase-tools