🌐 Sync Translations + Update README Progress Table (#5581)

### Description of Changes

This Pull Request was automatically generated to synchronize updates to
translation files and documentation. Below are the details of the
changes made:

#### **1. Synchronization of Translation Files**
- Updated translation files
(`frontend/public/locales/*/translation.toml`) to reflect changes in the
reference file `en-GB/translation.toml`.
- Ensured consistency and synchronization across all supported language
files.
- Highlighted any missing or incomplete translations.
- **Format**: TOML

#### **2. Update README.md**
- Generated the translation progress table in `README.md` using
`counter_translation_v3.py`.
- Added a summary of the current translation status for all supported
languages.
- Included up-to-date statistics on translation coverage.

#### **Why these changes are necessary**
- Keeps translation files aligned with the latest reference updates.
- Ensures the documentation reflects the current translation progress.

---

Auto-generated by [create-pull-request][1].

[1]: https://github.com/peter-evans/create-pull-request

Co-authored-by: stirlingbot[bot] <195170888+stirlingbot[bot]@users.noreply.github.com>

frontend/public/locales/es-ES/translation.toml

@@ -950,6 +950,7 @@ title = "Auto dividir por tamaño/conteo"
 desc = "Divide un solo PDF en múltiples documentos según su tamaño, número de páginas, o número de documento"
 
 [home.replaceColor]
+tags = "replace color,invert color,color replacement,swap colors,change color,invert,negative,color swap,find and replace color,convert color,color change"
 title = "Reemplazar e Invertir Color"
 desc = "Reemplace o invierta colores en documentos PDF"
 
@@ -964,18 +965,22 @@ title = "Escaneo Automatizado de Carpetas"
 desc = "Enlace a la guía de escaneo automatizado de carpetas"
 
 [home.devSsoGuide]
+tags = "SSO,single sign-on,authentication,SAML,OAuth,OIDC,login,enterprise,identity provider,IdP"
 title = "Guía de SSO"
 desc = "Enlace a la guía de SSO"
 
 [home.devAirgapped]
+tags = "air-gapped,offline,isolated,no internet,disconnected,secure,network isolation,standalone"
 title = "Configuración Aislada"
 desc = "Enlace a la guía de configuración aislada"
 
 [home.addPassword]
+tags = "encrypt,password,lock,secure,protect,security,encryption,safeguard,confidential,private,restrict access"
 title = "Proteger con contraseña"
 desc = "Cifrar documento PDF con contraseña"
 
 [home.changePermissions]
+tags = "permissions,restrictions,rights,access control,allow,deny,printing,copying,editing,modify permissions,security settings,user rights"
 title = "Cambiar permisos"
 desc = "Modificar restricciones y permisos del documento"
 
@@ -985,10 +990,12 @@ title = "Automatizar"
 desc = "Crear flujos de trabajo de múltiples pasos encadenando acciones de PDF. Ideal para tareas recurrentes."
 
 [home.overlay-pdfs]
+tags = "overlay,combine,merge,layer,superimpose,overlay PDF,layer PDFs,combine PDFs,stack,overlay pages,background,foreground,composite"
 desc = "Superponer PDFs encima de otro PDF"
 title = "Superponer PDFs"
 
 [home.pdfTextEditor]
+tags = "edit text,modify text,change text,edit content,update text,rewrite,correct,amend,redline,revise,text editor,content editor"
 title = "Editor de texto PDF"
 desc = "Revise y edite exportaciones JSON de Stirling PDF con edición de texto agrupada y regeneración de PDF"
 
@@ -4526,6 +4533,13 @@ description = "Número máximo de intentos fallidos antes de bloquear la cuenta"
 label = "Tiempo de restablecimiento del inicio de sesión (minutos)"
 description = "Tiempo antes de que se restablezcan los intentos fallidos de inicio de sesión"
 
+[admin.settings.security.xFrameOptions]
+label = "X-Frame-Options"
+description = "Controls whether the application can be embedded in iframes"
+deny = "Deny (Prevents all framing)"
+sameorigin = "Same Origin (Allow framing from same domain)"
+disabled = "Disabled (No X-Frame-Options header)"
+
 [admin.settings.security.csrfDisabled]
 label = "Desactivar la protección CSRF"
 description = "Desactivar la protección contra Cross-Site Request Forgery (no recomendado)"