Hooks in humminbird, links to the hooks documentation

[kpodemski]

If we visit newly added pages of the "Hook mapping project" for Hummingbird, like this one:
https://devdocs.prestashop-project.org/8/themes/hummingbird/hooks/

we can later visit the "Category page" and see that hooks are listed along with the link to their documentation:

Currently, we only have "Located in" of the hook for "Classic", we need to add it for "Hummingbird" theme as well:

[thomasnares]

Should be fixed by #1770