Docs: fix various Pleroma API endpoints paths, fix MFA response
A handful of endpoints are documented as /api/v1/pleroma when they are actually under /api/pleroma.
The example response for the MFA endpoint is also wrong, and I corrected it.
A handful of endpoints are documented as /api/v1/pleroma when they are actually under /api/pleroma.
The example response for the MFA endpoint is also wrong, and I corrected it.