Office: example for a small office with 5 to 20 people

The top level mirrors the permission groups:
- 01_Management: owners only
- 02_Finance: owners and bookkeeping
- 05_HR: owners and HR only
- 09_Team: handbook, meeting notes, how-tos
- 99_Archive: read-only

00_Inbox is split into Scanner and Email when different people handle paper
mail and attachments.
