Make default admin UI page reports. Add admin UI for creating a domain block

app/controllers/admin/domain_blocks_controller.rb

app/services/block_domain_service.rb

app/views/admin/domain_blocks/index.html.haml

app/views/admin/domain_blocks/new.html.haml

app/workers/domain_block_worker.rb

config/locales/devise.no.yml

config/locales/doorkeeper.no.yml

config/locales/no.yml

config/locales/simple_form.no.yml

config/navigation.rb

config/routes.rb