Block contact WIP

app/assets/images/communication/blocks/templates/contact.jpg

app/models/communication/block.rb

app/models/communication/block/component/time_slot.rb

app/models/communication/block/template/contact.rb

app/models/communication/block/template/contact/element.rb

.../communication/blocks/components/time_slot/_edit.html.erb

...mmunication/blocks/components/time_slot/_preview.html.erb

...ommunication/blocks/components/time_slot/_static.html.erb

app/views/admin/communication/blocks/edit.html.erb

...min/communication/blocks/templates/contact/_edit.html.erb

.../communication/blocks/templates/contact/_preview.html.erb

...n/communication/blocks/templates/contact/_static.html.erb