feat : add i18n translations for dashboard and health

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/i18n/locales/fr.json

@@ -49,7 +49,15 @@
         }
     },
     "dashboard": {
-        "title": "Tableau de bord"
+        "title": "Dashboard",
+        "description": "Vue d'ensemble du SI",
+        "refresh": "Actualiser",
+        "status": {
+            "running": "En ligne",
+            "exited": "Arrete",
+            "restarting": "Redemarrage",
+            "not_found": "Introuvable"
+        }
     },
     "applications": {
         "title": "Applications",
@@ -109,6 +117,15 @@
             "path": "Chemin",
             "remove": "Retirer"
         },
+        "health": {
+            "title": "Sante du container",
+            "status": "Statut",
+            "version": "Version",
+            "uptime": "Uptime",
+            "cpu": "CPU",
+            "memory": "Memoire",
+            "noData": "Aucune donnee disponible"
+        },
         "deploy": {
             "button": "Deployer",
             "title": "Deployer une version",