FIX handle march for le bon coin
Improve type and city detection tests : one can know run test
csv per csv
FIX add elastic.id to gitignore
FIX insert data once again when type description or
    cities index change
CHG add a bunch of ads... but split it on multiple files...
    there are still more files to add.
ADD c? sample data for tests
ADD more sample data to test type and location detection.
ADD new sample data for type and location detection tests.