* Adjusting post_titles, menu_titles, and tags for docs folder
Adjusting the post_titles, menu_titles, and tags for document files in the docs folder
* Update removing-product-product-category-or-shop-from-the-url.md
* Update classic-theme-developer-handbook.md
* further adjustments and casing
* Move HPOS/CLI contents into README
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Co-authored-by: Jacklyn Biggin <hi@jacklyn.dev>
* update external relative links to full URLs
* update the docs manifest
* include /packages relative links
* add blob/trunk for direct access
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Co-authored-by: Ron Rennick <ronald.rennick@automattic.com>