Gestion des cartes avec uniquement un recto

Description

Issues :

• #224 (closed)

Documentation

• Upgrade the version
• Add entry to the changelog
• Update documentation if needed

Generator

• New or updated files?

Checklist before merge :

• No remaining console.log
• Version changed if new feature
• Lint ok
• all eslintConfig rules are on ("2") (except no-useless-escape / vue/no-mutating-props)
• Try npm run build:app
• Try npm run build:admin

Tests

• Admin tests ok ?
• Add new unit test