Docs-as-code: full deploy configs, compose stacks, and DR guide

- Add root README and docs/ (architecture, hosts, disaster-recovery, operations)
- Add compose/ for superset, forgejo, lam, cadvisor; unified deploy compose
- Add scripts/deploy (deploy-atc-docker01.sh, container inventory export)
- Add inventory/containers-atc-docker01.json snapshot
- Add config READMEs for kafka and airflow; .env.example; expand .gitignore
- Sync atclab helper scripts; update homepage/superset compose with env support

scripts/deploy/deploy-atc-docker01.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
+cd "$ROOT"
+
+if [[ -f .env ]]; then
+  set -a
+  # shellcheck source=/dev/null
+  source .env
+  set +a
+fi
+
+echo "==> Homepage + RSS + icons"
+docker compose -f deploy/docker-compose.homepage.yml up -d --build
+
+echo "==> Superset + Redis"
+docker compose -f compose/superset/docker-compose.yaml up -d --build
+
+echo "==> Forgejo (lokaal)"
+docker compose -f compose/forgejo/compose.yaml up -d
+
+echo "==> LAM (lokaal)"
+docker compose -f compose/lam/compose.yml up -d
+
+echo "==> Revalidate homepage"
+docker exec homepage wget -qO- http://127.0.0.1:3000/api/revalidate 2>/dev/null || true
+
+echo "Done. Open http://atc-docker01.dell-atc.lan/"