发布 Fair 2.5.0 版本

发布 Fair 2.4.1 版本

Merge pull request wuba#78 from yancechen/main

FlatBuffers 适配 null safe

Merge pull request wuba#76 from wuba/fair_release_3.0

Fair release 3.0

Merge remote-tracking branch 'origin/main' into main_github

2.1.0release

support flutter 1.22.6

Release of v0.2.0.3