Get aggregated time spents for given person and day.
GET /data/persons/{person_id}/time-spents/day/{year}/{month}/{day}
curl \
-X GET http://api.example.com/data/persons/{person_id}/time-spents/day/{year}/{month}/{day}
curl \
-X GET http://api.example.com/data/persons/{person_id}/time-spents/day/{year}/{month}/{day}