Those are fields used by the language switcher to correlate pages across
different languages, even if they have different names/paths/titles.
They are generated with the prepare_for_translation.py script.
- mark all code blocks with ```
- unify empty lines between sections
- adjust list syntax (no space before dash)
- adjust headers to use Atx-style syntax
- remove trailing spaces
- Provide info about orgs and experts that rely on, recommend, and/or
support Qubes.
- Add paragraph about Qubes' user-security-first and FOSS philosophy.
- Format last section and image similar to the preceding two.
