feat: comprehensive SEO optimization and GDPR compliance

- Added Terms of Service and Privacy Policy pages with contact info
- Implemented Google Analytics with Consent Mode v2 for GDPR compliance
- Created sitemap.xml and robots.txt for search engine optimization
- Added dynamic meta tags, Open Graph, and structured data (JSON-LD)
- Implemented GDPR consent banner with TCF 2.2 compatibility
- Enhanced sidebar with category-colored hover states and proper active/inactive styling
- Fixed all ESLint warnings for clean deployment
- Added comprehensive SEO utilities and privacy-first analytics tracking

Ready for production deployment with full legal compliance and SEO optimization.

public/robots.txt

@@ -0,0 +1,29 @@
+# Robots.txt for https://dewe.dev
+# Generated automatically
+
+User-agent: *
+Allow: /
+
+# Sitemap location
+Sitemap: https://dewe.dev/sitemap.xml
+
+# Block any future admin or private routes
+Disallow: /admin/
+Disallow: /api/
+Disallow: /.well-known/
+
+# Allow all major search engines
+User-agent: Googlebot
+Allow: /
+
+User-agent: Bingbot
+Allow: /
+
+User-agent: Slurp
+Allow: /
+
+User-agent: DuckDuckBot
+Allow: /
+
+# Crawl delay for politeness
+Crawl-delay: 1