Add CSV parser, based on stdlib.

Signed-off-by: Raphaël Barrois <raphael.barrois@polyconseil.fr>
Enable AutoDialectCsvParser by default.

Signed-off-by: Raphaël Barrois <raphael.barrois@polyconseil.fr>
dev: align code on new features.

Signed-off-by: Raphaël Barrois <raphael.barrois@polyconseil.fr>
Separate form templates.

Signed-off-by: Raphaël Barrois <raphael.barrois@polyconseil.fr>