Add a column to rules.csv to know the date of update ?

[vinber]

https://github.com/caresteouvert/Covid_enseignes/blob/master/rules.csv

this would make it possible to know whether this has been checked recently or not

[frodrigo]

As default , you can use git blame. https://github.com/caresteouvert/Covid_enseignes/blame/master/rules.csv