chore(release): 0.3.0 [skip ci]

# [0.3.0](v0.2.1...v0.3.0) (2022-03-16)

### Bug Fixes

* move YUML definition to separate files ([d7da4e8a](d7da4e8a))

### Features

* remove changelogs from specs ([471bc423](471bc423))