feat: link to API docs from Settings > API keys

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

apps/web/messages/en.json

@@ -242,7 +242,8 @@
     },
     "apiKeysPage": {
       "title": "API Keys",
-      "description": "Manage API keys for programmatic access to the Epicure API."
+      "description": "Manage API keys for programmatic access to the Epicure API.",
+      "docsLink": "View API documentation"
     },
     "pushNotifications": {
       "title": "Push Notifications",

apps/web/messages/fr.json

@@ -242,7 +242,8 @@
     },
     "apiKeysPage": {
       "title": "Clés API",
-      "description": "Gérez les clés API pour un accès programmatique à l'API Epicure."
+      "description": "Gérez les clés API pour un accès programmatique à l'API Epicure.",
+      "docsLink": "Voir la documentation de l'API"
     },
     "pushNotifications": {
       "title": "Notifications push",