Phase 1: technical SEO foundations

- Per-page titles, descriptions, canonicals, Open Graph/Twitter tags
  via a shared pageMetadata() helper; metadataBase on the root layout
- Sitemap generated from a route list on the canonical non-www host;
  robots.txt points to it; /services removed
- One H1 per page; decorative images get empty alt text
- JSON-LD: site-wide ComputerRepairService, FAQPage on the homepage,
  Service on each service page
- FAQ answers are now server-rendered (forceMount) so the schema matches
  the HTML; fixed the nested payment FAQ item
- Drop web design (page, nav link, homepage card and FAQs); 301 the old URL
- Remove GA, Facebook Pixel and Vercel Analytics/Speed Insights
- Fix tel: links (+640211... -> +64211...)
- Add og-image.png and logo.png

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/app/components/ContactForm.js

@@ -18,7 +18,7 @@ export default function ContactForm() {
               clipRule="evenodd"
             />
           </svg>
-          <a href="tel:+640211077483">021 107 7483</a>
+          <a href="tel:+64211077483">021 107 7483</a>
         </h3>
         <h3 className="text-lg font-bold hover:underline">
           <svg