Release v0.2.1 - Improves the Elixir Scribe Typed Contract behaviour

Added

• conforms/1 and conforms!/1 to the behaviour.
• more tests to the behaviour.

Improved

• behaviour documentation overhaul, including doc tests.

Removed

• conforms?/1 from the behaviour defoverridable .

Full Changelog: v0.2.0...v0.2.1