Add validation_datetime column in CSV Update MobilityRecord
Add csv read tests
Add new dataset extract
Update first row with the new merged header and then update each line thank to sed for the 2nd file:
sed '1!s/$/,,,,,,,,,,/' public-transport/MF_user_mobility_june-to-november-2023_france_dataset/anonymized_june-to-november-2023_france_dataset.csv > anonymized_june-to-november-2023_france_dataset.csv
