Add `Dry::Initializer.define -> do..end` lambda syntax

0.1.1

Bump v0.1.1

Split module to mixin and container versions

Mixin version

extend Dry::Initializer::Mixin
param :name

Container version

include Dry::Initializer.define {
  param :name
}

The first public release

0.0.1

Fix link to coveralls