…side collapsible and mobile-friendly

…t customising toc display

…nt flash; optimise mobile menu display

…up some other files

…tent to space out footer

… make sidebar cover footer on left side

…licate anchor names; improve search bar appearance on mobile; colour tweaks

…vious; mark tabs js as async so that it runs once tab elements exist

NVMe has been supported in the standard Pi5 firmware for a while
now so simplify the NVMe boot instructions to assume this.

Replace any references to "apt upgrade" with "apt full-upgrade" and
always run "apt update" first.

Update revision codes for CM5, CM5 Lite and Pi500

Revision code bitfield

… slight isual tweaks

…ri compatibility

…t header pop-in when the mobile menu is opened

…t horizontal scrolling on boxes page:

…alt text of docs categories

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.16.8 to 1.17.0.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.16.8...v1.17.0)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

…nokogiri-1.17.0

Bump nokogiri from 1.16.8 to 1.17.0

…ce, fix toc error on landing page

…ut serial numbers missing.

…or clarity.

Some changes for AI Kit/HAT+

…branding updates to the landing page and header

…ding page

… with, with centered content, to prevent sidebar from drifting too far to left on ultrawide displays

…ext; switch back to always-left sidebar location

Always use apt full-upgrade and simplify the NVMe updates

Actual mobile toc; dark mode; speed up site loading