Add portfolio, blog, customer login, and Meshkee SEO.

Wire CMS routes and account UI, match the original header icons, and publish sitemap-config with unique page metadata.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/data/content.ts

@@ -4,8 +4,8 @@ export const navItems = [
   { href: "/", label: "Home" },
   { href: "/about-us", label: "About" },
   { href: "/#services", label: "Services" },
-  { href: "/#projects", label: "Projects" },
-  { href: "/#news", label: "Product design" },
+  { href: "/portfolios", label: "Projects" },
+  { href: "/blog", label: "Blog" },
   { href: "/contact-us", label: "Contact" },
 ];