Add 'how to organize HTML code for better SEO' section about code-guide HOT 2 OPEN

I feel like SEO is a bit outside the scope of this guide, but there might be some value to roles and ARIA attributes.

from code-guide.

I do not think so, because the guide explains how to organize CSS and HTML code so also if a new section is added explaining how to organize the code for better SEO it would still relevant,
and I think adding something for SEO would make the guide the best content online explaining such things because it is written by someone who has many years of experience working with things like that.

from code-guide.