v0.5.5

• Introduce Views (a.k.a Read Models)
• Refactor Domain Module to be leaner
• Introduce Class Factories for all Domain Elements
• Rename impl to adapters
• Add separate ports module with interfaces
• Remove bounded_context definition everywhere
• Rename dict_repo to memory
• Remove *_repo from DB adapter module names
• Rename celery and inline broker module names
• Rename sendgrid email module name