menu: riordina le voci (Training, Servizi, About us, Blog & Edugo, Promo, Contatti)

I label del menu vengono da global.nav.N.label (per posizione): riordinati anche
i blocchi contenuto in produzione per allinearli al nuovo ordine degli href.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/data/site.ts

@@ -12,12 +12,12 @@ export const site = {
     { label: "LinkedIn", url: "https://www.linkedin.com/company/in-sanity-lab-srl/" },
   ],
   navigation: [
-    { label: "About us", href: "/about" },
     { label: "Training", href: "/training" },
     { label: "Servizi", href: "/services" },
+    { label: "About us", href: "/about" },
     { label: "Blog & Edugo", href: "/blog" },
-    { label: "Contatti", href: "/contact" },
     { label: "Promo ed eventi", href: "/promo-eventi" },
+    { label: "Contatti", href: "/contact" },
   ],
   footerTraining: [
     { label: "One to one", href: "/training#one-to-one" },