Internationalisation partie 1

design_system_admin/css/plugin-dse.css

...tem_admin/formulaires/configurer_design_system_admin.html

design_system_admin/inclure/head.html

design_system_admin/inclure/header.html

design_system_admin/lang/design_system_admin_fr.php

design_system_admin/mes_fonctions.php

design_system_admin/prive/css/dsfrconfiguration.css

design_system_admin/prive/javascript/tabs.js

design_system_admin/prive/squelettes/page.html

design_system_admin/prive/themes/spip/images/langues/ar.png

design_system_admin/prive/themes/spip/images/langues/de.png

design_system_admin/prive/themes/spip/images/langues/en.png

design_system_admin/prive/themes/spip/images/langues/es.png

design_system_admin/prive/themes/spip/images/langues/fr.png

design_system_admin/prive/themes/spip/images/langues/it.png

design_system_admin/prive/themes/spip/images/langues/ja.png

design_system_admin/prive/themes/spip/images/langues/pt.png

design_system_admin/prive/themes/spip/images/langues/ru.png

design_system_admin/prive/themes/spip/images/langues/zh.png

design_system_admin/prive/themes/spip/images/traduire.png