chore: update project branding from SaaS-PDF to Dociva

- Updated robots.txt to reflect new site name and sitemap URL.
- Modified sitemap.xml to change all URLs from saas-pdf.com to dociva.io.
- Changed storage key for site assistant in SiteAssistant.tsx.
- Updated SEOHead.tsx to change site name in meta tags.
- Translated app name and related text in Arabic, English, and French JSON files.
- Updated contact email in ContactPage.tsx, PrivacyPage.tsx, and TermsPage.tsx.
- Changed internal admin page title to reflect new branding.
- Updated pricing page meta description to reference Dociva.
- Adjusted Nginx configuration for new domain.
- Modified deployment script to reflect new branding.
- Updated sitemap generation script to use new domain.

frontend/src/pages/TermsPage.tsx

@@ -4,7 +4,7 @@ import { generateWebPage } from '@/utils/seo';
 import { FILE_RETENTION_MINUTES } from '@/config/toolLimits';
 
 const LAST_UPDATED = '2026-03-06';
-const CONTACT_EMAIL = 'support@saas-pdf.com';
+const CONTACT_EMAIL = 'support@dociva.io';
 
 export default function TermsPage() {
   const { t } = useTranslation();