fix(i18n): sync de.json keys with en.json — add 26 missing keys to en.json and all language files

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

frontend/translations/es.json

@@ -195,6 +195,7 @@
   "common.confirm": "Confirmar",
   "common.copied": "¡Copiado!",
   "common.copy": "Copiar",
+  "common.create": "Create",
   "common.created": "Creado",
   "common.date": "Fecha",
   "common.delete": "Eliminar",
@@ -202,6 +203,7 @@
   "common.details": "Detalles",
   "common.disabled": "Deshabilitado",
   "common.download": "Descargar",
+  "common.duplicate": "Duplicate",
   "common.edit": "Editar",
   "common.enabled": "Habilitado",
   "common.error": "Error",
@@ -218,6 +220,7 @@
   "common.page": "Page",
   "common.pending": "Pendiente",
   "common.prev_page": "Previous page",
+  "common.previous": "Previous",
   "common.processing": "Procesando",
   "common.refresh": "Actualizar",
   "common.reset": "Restablecer",
@@ -228,7 +231,9 @@
   "common.select_placeholder": "— select —",
   "common.size": "Tamaño",
   "common.status": "Estado",
+  "common.submit": "Submit",
   "common.success": "Éxito",
+  "common.tags": "Tags",
   "common.type": "Tipo",
   "common.updated": "Actualizado",
   "common.upload": "Subir",
@@ -236,6 +241,8 @@
   "common.warning": "Advertencia",
   "common.yes": "Sí",
   "cookie.accept": "Entendido",
+  "cookie.learn_more": "Learn more",
+  "cookie.message": "This website uses cookies to improve your experience.",
   "cookie.notice": "DocuElevate utiliza solo cookies de sesión esenciales necesarias para la autenticación y el funcionamiento del servicio. No se utilizan cookies de seguimiento ni analíticas.",
   "cookie.notice_label": "Aviso de cookies",
   "cookie.policy_link": "Política de cookies",
@@ -398,6 +405,8 @@
   "files.upload_modal_close": "Close upload progress",
   "files.upload_modal_header": "Uploading Files",
   "files.uploaded": "Subido",
+  "footer.about": "About",
+  "footer.attribution": "Attribution",
   "footer.attributions": "Atribuciones",
   "footer.cookies": "Cookies",
   "footer.copyright": "DocuElevate {year}",
@@ -577,6 +586,7 @@
   "integrations.username_label": "Username",
   "language.bg": "Български",
   "language.ca": "Català",
+  "language.change_success": "Language changed to {language}",
   "language.changed": "Idioma cambiado a {language}",
   "language.cs": "Čeština",
   "language.da": "Dansk",
@@ -602,6 +612,7 @@
   "language.ro": "Română",
   "language.ru": "Русский",
   "language.selector": "Idioma",
+  "language.selector_label": "Select language",
   "language.sk": "Slovenčina",
   "language.sl": "Slovenščina",
   "language.sv": "Svenska",
@@ -610,9 +621,15 @@
   "language.zh": "中文",
   "nav.about": "Acerca de",
   "nav.admin": "Admin",
+  "nav.admin.audit_logs": "Audit Logs",
+  "nav.admin.backups": "Backups",
+  "nav.admin.plans": "Plans",
+  "nav.admin.scheduled_jobs": "Scheduled Jobs",
+  "nav.admin.users": "Users",
   "nav.admin_actions": "Acciones de administración",
   "nav.admin_menu": "Menú de administración",
   "nav.api_docs": "Documentación API",
+  "nav.api_tokens": "API Tokens",
   "nav.backup_restore": "Copia de seguridad y restauración",
   "nav.credentials": "Credenciales",
   "nav.dark_mode": "Modo oscuro",
@@ -623,25 +640,34 @@
   "nav.files": "Archivos",
   "nav.help": "Ayuda",
   "nav.help_center": "Centro de ayuda",
+  "nav.imap": "Email Import",
   "nav.integrations": "Integraciones",
   "nav.light_mode": "Modo claro",
+  "nav.login": "Log In",
+  "nav.logout": "Log Out",
   "nav.main_navigation": "Navegación principal",
   "nav.notifications": "Notificaciones",
   "nav.open_main_menu": "Abrir menú principal",
   "nav.pipelines": "Pipelines",
   "nav.plan_designer": "Diseñador de planes",
   "nav.pricing": "Precios",
+  "nav.profile": "Profile",
+  "nav.queue": "Queue",
   "nav.queue_monitor": "Monitor de cola",
   "nav.scheduled_jobs": "Tareas programadas",
   "nav.search": "Buscar",
   "nav.settings": "Configuración",
+  "nav.shared_links": "Shared Links",
+  "nav.signup": "Sign Up",
   "nav.similarity": "Similitud",
   "nav.skip_to_content": "Ir al contenido principal",
   "nav.status": "Estado",
+  "nav.subscription": "Subscription",
   "nav.toggle_dark_mode": "Alternar modo oscuro",
   "nav.toggle_nav": "Alternar menú de navegación",
   "nav.upload": "Subir",
   "nav.users": "Usuarios",
+  "nav.version": "Version Info",
   "notifications.filter_all": "All",
   "notifications.filter_read": "Read only",
   "notifications.filter_unread": "Unread only",