curl --request PUT http://localhost:8000/api/person/1/online
curl --request PUT http://localhost:8000/api/person/1/offline
+* Search a user with a keyword:
+curl --request POST http://localhost:8000/api/person/search --data "{ \"keyword\": \"isabelle\"}" --header "Content-Type: application/json"
+
* Show a user with id 1:
curl --request GET http://localhost:8000/api/person/1