changelog
how automatically generate the version changelog
1 all PR should be labeled with "pr/release/***" and could be merged
2 when push a tag, automatically create the changelog
the changelog content include:
(1) New Features: it include all PR labelled with "pr/release/feature-new"
(2) Changed Features: it include all PR labelled with "pr/release/feature-changed"
(3) Fixes: it include all PR labelled with "pr/release/bug"
(4) all historical commit within this version