npm ci
copy public/assets/family-tree-sample.json
to public/assets/family-tree.json
and edit it
npm start
"id": {
"first_name": "",
"second_name": "",
"surname": "",
"sex": "",
"born": {
"where": "",
"date": ""
},
"dead": {
"where": "",
"date": ""
},
"parents": ["parent_1_id", "parent_2_id"]
}