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

compose/lam/compose.yml

@@ -0,0 +1,17 @@
+# LDAP Account Manager (lokaal op atc-docker01)
+# Productie LDAP/LAM: http://atc-mgt01.dell-atc.lan/lam/
+services:
+  lam:
+    image: ghcr.io/ldapaccountmanager/lam:stable
+    container_name: lam-app-1
+    restart: unless-stopped
+    ports:
+      - "4001:80"
+    environment:
+      DEBIAN_FRONTEND: noninteractive
+    volumes:
+      - lam_data:/var/lib/ldap-account-manager
+
+volumes:
+  lam_data:
+    name: lam_lam