refactor: flatten pages structure and update setup.php for Git Sync

- Move pages/{fqdn}/pages/* to pages/{fqdn}/*
- Update setup.php to look at /user/pages/{hostname}
- Prepare for Git Sync to sync pages/ to user/pages/

pages/charters.turnsys.com/126.Handbook.SourceMaterial.people.team-structure._team_template/default.md

@@ -0,0 +1,28 @@
+---
+title: 'People'
+menu: 'People'
+---
+
+---
+title: Team Example
+sidebar: Handbook
+showTitle: true
+hideAnchor: true
+---
+
+## People
+
+- [Jane Doe (Team Lead, Full Stack Engineer)](/handbook/company/team/#jane-doe-software-engineer)
+- [Max Mustermann (Full Stack Engineer)](/handbook/company/team/#max-mustermann-software-engineer)
+
+## Mission
+
+## Responsibilities
+
+## Customer
+
+## Output metrics
+
+## Slack channel
+
+[#team-example](https://posthog.slack.com/messages/team-example)