improve document model and propagate changes. This include the change of document fixtures to better reflect what the api is effectively returning
export default {
"ark:/12148/cb11965628b": "frères et soeurs",
"ark:/12148/cb11946662b": "parents et enfants",
"ark:/12148/cb119766112": "miséricorde",
"ark:/12148/cb11970755h": "repentir"
};