w_module 0.3.0

This pre-1.0 minor release of w_module adds some new features and has breaking changes.

Breaking Changes

• loadModule renamed to loadChildModule in LifecycleModule (#21)
• ProviderModule has been removed (#22)

Other Changes

• #19: Use dart_dev for tooling
• #21: Add Child Module Lifecycle Events
• #22: Remove ProviderModule spike
• #24: Update example directory structure
• #26: Upgrade to the latest smithy image 1.12.1
• #27: rearrange examples and add randomColor example