Implement SEO optimizations for better discoverability

[ankur0904]

The project needs basic and advanced SEO improvements to improve search engine visibility and indexing.

Scope:

• Add proper meta tags (title, description)
• Open Graph and Twitter meta tags
• Sitemap and robots.txt
• Semantic HTML improvements
• Improve page load performance (if needed)

[ankur0904]

• Add proper meta tags (title, description)
• Open Graph and Twitter meta tags
• Sitemap and robots.txt
• Semantic HTML improvements
• Improve page load performance (if needed)

FYI @iori73