feat: Enhance Pricing Page with Enterprise Plan and Billing Toggle

- Added Enterprise plan with features and pricing.
- Introduced billing toggle for monthly and yearly subscriptions.
- Updated feature list to include enterprise-specific features.
- Improved UI for plan cards and added new styles for better visual appeal.
- Adjusted SEO metadata to reflect new pricing structure.
- Enhanced global styles for marketing elements.

frontend/public/sitemap.xml

@@ -2,18 +2,22 @@
 <sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <sitemap>
     <loc>https://dociva.io/sitemaps/static.xml</loc>
-    <lastmod>2026-04-03</lastmod>
+    <lastmod>2026-04-04</lastmod>
   </sitemap>
   <sitemap>
     <loc>https://dociva.io/sitemaps/blog.xml</loc>
-    <lastmod>2026-04-03</lastmod>
+    <lastmod>2026-04-04</lastmod>
   </sitemap>
   <sitemap>
     <loc>https://dociva.io/sitemaps/tools.xml</loc>
-    <lastmod>2026-04-03</lastmod>
+    <lastmod>2026-04-04</lastmod>
   </sitemap>
   <sitemap>
     <loc>https://dociva.io/sitemaps/seo.xml</loc>
-    <lastmod>2026-04-03</lastmod>
+    <lastmod>2026-04-04</lastmod>
+  </sitemap>
+  <sitemap>
+    <loc>https://dociva.io/sitemaps/comparisons.xml</loc>
+    <lastmod>2026-04-04</lastmod>
   </sitemap>
 </sitemapindex>