feat: Google sitemap

[ProgrammingByPermutation]

We have the ability to customize our google search results to be more oriented to our main product.

sitemap:
https://developers.google.com/search/docs/crawling-indexing/sitemaps/overview?hl=en

https://developers.google.com/search/docs/appearance/sitelinks?visit_id=638955603689157466-1789717586&rd=1
https://developers.google.com/search/docs/appearance/site-names#json-ld
https://validator.schema.org/