Reorganize repos into kitestacks-homelab + plain-English doc rewrite

- Rewrote RUNBOOK.md and DEBUG-DOCUMENTATION.md in simple 5th-grade language
  with real-world analogies for every technical concept
- Updated README.md with current service inventory and folder map
- Added cloud-migration/ subdirectory (from kitestacks-cloud-migration repo)
- Added autosync/ subdirectory (from kitestacks-homelab-autosync-test repo)
- Added osticket/ subdirectory (from OSTicketSystem repo)
- Added cloud/ placeholder for future cloud configs
- Excluded binary DB/postgres files from autosync subdirectory

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

osticket/CHANGELOG.md

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+# Changelog
+
+This file explains what changed in simple words.
+
+## 2026-06-08
+- Started Phase 1: OSTicketSystem.
+- Created separate files for runbook, debug notes, and change history.

osticket/DEBUG-DOCUMENTATION.md

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+# Debug Documentation
+
+This file is for errors, fixes, broken commands, and troubleshooting notes.

osticket/README.md

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+# OSTicketSystem
+
+This is Phase 1 of the training project.
+
+Goal: Build a custom ticket system where classmates can log in, claim tickets, complete tasks, and close tickets.

osticket/RUNBOOK.md

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+# OSTicketSystem Runbook
+
+This file explains how to build and use the project from start to finish.
+
+No debugging notes go here.