feat: initial itpp-docs setup with MkDocs Material

- mkdocs.yml with dark slate theme, nav for 12 ITPP projects
- build-docs.sh aggregates docs from all project repos
- .gitea/workflows/docs-publish.yml for nightly rebuild+deploy
- README and CHANGELOG for the itpp-docs repo itself
- docs-source/ populated from all 12 repos
- site/ ready for deployment to docs.itpropartner.com

docs-source/transitpin/index.md

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+# transitpin
+
+
+> **Owner:** Germaine | **Status:** LIVE (dev)
+> **Last Updated:** 2026-08-09
+
+TransitPin is a real-time student transportation tracking SaaS built for the private contractor market — the companies school districts hire to move students. It replaces paper route sheets, manual parent texts, and clipboards with a live GPS platform: driver PWA, parent ETA portal, bell-schedule intelligence, and an admin dashboard for owners.
+
+Built from a direct client engagement with Village Express Transportation (Savannah, GA).
+
+## Access
+
+| Resource | URL | Location | Notes |
+|---|---|---|---|
+| Parent Portal | https://villageexpress.transitpin.com/ | Core (152.53.192.33) | Caddy reverse proxy |
+| Driver PWA | https://villageexpress.transitpin.com/driver.html | Core | WebSocket at /ws/driver* |
+| Admin Dashboard | https://villageexpress.transitpin.com/admin.html | Core | Dispatch map, driver tracking |
+| WebSocket Relay | port 8210 (localhost) | Core | systemd: village-express.service |
+
+## Tech Stack
+
+- Frontend: Vanilla HTML/CSS/JS, Leaflet maps, TomTom traffic tiles
+- Backend: WebSocket relay (Node.js), systemd service
+- Reverse Proxy: Caddy (TLS auto-provision)
+- GPS: Browser `watchPosition` API, Wake Lock API
+- Data: driver-manifest.json (static routes), PWA manifest
+
+## Quick Start
+
+```bash
+git clone https://git.itpropartner.com/ippadmin/transitpin.git
+cd transitpin/
+# Start WebSocket relay
+sudo systemctl start village-express
+# Caddy serves static files + proxies /ws/* to WebSocket relay
+```
+
+## Related
+
+- [itpp-infrastructure](https://git.itpropartner.com/ippadmin/itpp-infrastructure) — server inventory, DNS
+- [itpp-standards](https://git.itpropartner.com/ippadmin/itpp-standards) — docs standards and templates
+- [transitpin-white-label](https://git.itpropartner.com/ippadmin/transitpin-white-label) — white-label portal builder