Wire all pages to navigation and fix broken links

- Add services, locations, and resources to footer navigation across all pages
- Update footer in 22+ files with consistent navigation structure
- Add service pages: competitive-intelligence, price-monitoring, data-cleaning
- Add location pages: london, manchester, birmingham
- Update all sitemaps (sitemap.php, sitemap.xml, sitemap-services.xml, sitemap-index.xml)
- Fix broken /contact links (changed to /#contact)
- Fix broken contact.php references (changed to /quote)
- Fix faq-enhanced.php with correct service links
- Fix london.php file permissions (600 -> 644)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

blog/articles/kubernetes-scraping-deployment.php

@@ -696,7 +696,7 @@ spec:
                 <section class="article-cta">
                     <h2>Enterprise Kubernetes Scraping Solutions</h2>
                     <p>Implementing production-ready web scraping on Kubernetes requires expertise in container orchestration, distributed systems, and operational best practices. UK Data Services provides comprehensive Kubernetes consulting and implementation services to help organisations build scalable, reliable scraping infrastructure.</p>
-                    <a href="/contact" class="cta-button">Deploy on Kubernetes</a>
+                    <a href="/#contact" class="cta-button">Deploy on Kubernetes</a>
                 </section>
             </div>