v0.8.0

Added

• Allow Index definition (feature documentation) (#255 by @art049)

• Allow using the Config.extra attribute from pydantic (#259 by @art049)

Fixed

• Fix embedded models parsing with custom key_name (#262 by @iXB3)

• Fix engine.save using an embedded model as a primary key (#258 by @art049)

• Fix engine creation typo in the documentation (#257 by @art049)