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.

nginx/nginx.prod.conf

@@ -4,16 +4,29 @@ upstream backend {
 
 server {
     listen 80;
-    server_name _;
+    server_name dociva.io www.dociva.io;
     client_max_body_size 100M;
 
     # Redirect HTTP to HTTPS
-    return 301 https://$host$request_uri;
+    return 301 https://dociva.io$request_uri;
+}
+
+# Redirect www to non-www
+server {
+    listen 443 ssl http2;
+    server_name www.dociva.io;
+    client_max_body_size 100M;
+
+    ssl_certificate /etc/nginx/ssl/fullchain.pem;
+    ssl_certificate_key /etc/nginx/ssl/privkey.pem;
+    ssl_protocols TLSv1.2 TLSv1.3;
+
+    return 301 https://dociva.io$request_uri;
 }
 
 server {
     listen 443 ssl http2;
-    server_name _;
+    server_name dociva.io;
     client_max_body_size 100M;
 
     # SSL certificates (mount via certbot / Let's Encrypt)