add middleware
add a_name and b_attributes
add NA
add As and Bs
try this as first version
fix module class name
transits contact to new binding
generate middleware
new a relation, not entity
generate property middleware
fix new path
fix variable name
fix binding attribute name error
fix: parent name
first version of show view
refine text
finish edit view
finish _form view
reorganize
try this as first version of referenced_child index