Revert "add balance to credit card"

This reverts commit ffe5d97a0f050625aa1a951fbd9a156c8d3e78ca.
Revert "Revert "add balance to credit card""

This reverts commit 5fdeab9dbc6a48c181144bc54fc2f05d3ff873d1.
ajout du compteur de valid/invalide