CLOSED - task 15: Refactorize TableFields and Reference fields in a way
of relationships 
https://github.com/lomagno2003/inmobiliarias.frontend/issues/issue/15
CLOSED - task 25: Allow manyToOne fields in listView 
https://github.com/lomagno2003/inmobiliarias.frontend/issues/issue/25
CLOSED - task 24: Make buttons on reference fields look prettier 
https://github.com/lomagno2003/inmobiliarias.frontend/issues/issue/24