Docs: add operations records (SUMMARY, Hysteria chain manifest, reboot test, plans)

- DOCS/Operations: current-state SUMMARY of the ENTRY deployment (access,
  install, egress via Hysteria2, security findings and fixes, risk
  assessment, commits/backups, open items), the Hysteria chain manifest
  with an OpenVPN Monitor section, reboot test results, and the plan and
  rollout records for settings validation and privilege separation.
- Link them from README and DOCS/General/Index.md.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

DOCS/Operations/README.md

@@ -0,0 +1,12 @@
+# Operations records (deployment on ENTRY, Timeweb)
+
+Records of one concrete deployment (host addresses, results, rollback). No passwords or keys are stored here.
+
+| Document | Content |
+|---|---|
+| [SUMMARY-ovpn-monitor.md](SUMMARY-ovpn-monitor.md) | Current state, access, install, egress via Hysteria2, security findings/fixes, risk assessment, commits, backups, open items |
+| [Hysteria_Chain_Manifest.md](Hysteria_Chain_Manifest.md) | Hysteria 2 entry-exit chain manifest, diagnostics, plus the OpenVPN Monitor section |
+| [REBOOT-TEST.md](REBOOT-TEST.md) | Reboot tests (Hysteria chain; ENTRY after the OpenVPN Monitor deployment) |
+| [PLAN-validation-and-privilege-drop.md](PLAN-validation-and-privilege-drop.md) | Plan: settings validation and running the API unprivileged |
+| [IMPLEMENTATION-01-settings-validation.md](IMPLEMENTATION-01-settings-validation.md) | Rollout record: settings validation |
+| [IMPLEMENTATION-02-privilege-separation.md](IMPLEMENTATION-02-privilege-separation.md) | Rollout record: privilege separation and CRL publishing |