This is based on the current "vetting" policy but also includes a
reference to the Tor Core Membership policy, to which we delegate the
revokation bit. We also assert that admins MUST be core tor to have
access.

This also introduces a link to the core membership policy which we
refer to elsewhere in the document.

show how to find the PV and resize it, that was omitted!

The "debugging things" title wasn't great, and we use
"troubleshooting" elsewhere anyways.

Also add headings to make this long section a bit more readable.

we now use the restricted board