* Add release note for 1.0.0
* Fix a small bug in the Python script that compiles the list of contributors
* Clarify governance of CI infrastructure; now PMC is formally in charge
* Address reviewer comment
* Fix typo
* Reorganize contributor's doc
* Address comments from @trivialfis
* Address @sriramch's comment: include ABI compatibility guarantee
* Address @rongou's comment
* Postpone ABI compatibility guarantee for now