Task: Tech dept

[bahmani00]

1. where to put IoC?
2. improve IDomainEventHandler
3. improve Dispacher
4. disconnect UI from domain
5. adapters-decorators

issues with efcore:

1. IsRequired is not working on Owned entities.
2. add Include in EF Repository pattern

autofac:

1. register ConfigurationManager by IConfigurationProvider sample

WPF:

1. remove StartupUri="Common/MainWindow.xaml"
2. improve UI commands