docs: Ledger Live integration, contract deploy learnings, NEXT_STEPS updates

- ADD_CHAIN138_TO_LEDGER_LIVE: Ledger form done; public code review repo bis-innovations/LedgerLive; init/push commands
- CONTRACT_DEPLOYMENT_RUNBOOK: Chain 138 gas price 1 gwei, 36-addr check, TransactionMirror workaround
- CONTRACT_*: AddressMapper, MirrorManager deployed 2026-02-12; 36-address on-chain check
- NEXT_STEPS_FOR_YOU: Ledger done; steps completable now (no LAN); run-completable-tasks-from-anywhere
- MASTER_INDEX, OPERATOR_OPTIONAL, SMART_CONTRACTS_INVENTORY_SIMPLE: updates
- LEDGER_BLOCKCHAIN_INTEGRATION_COMPLETE: bis-innovations/LedgerLive reference

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/12-quick-reference/README.md

@@ -1,13 +1,17 @@
 # Quick Reference
 
+**Last Updated:** 2026-01-31  
+**Document Version:** 1.0  
+**Status:** Active Documentation
+
+---
+
 This directory contains quick reference guides for common tasks.
 
 ## Documents
 
 ### Quick Reference Cards
-- **[NETWORK_QUICK_REFERENCE.md](NETWORK_QUICK_REFERENCE.md)** ⭐⭐⭐ - Network configuration quick reference (VLANs, IPs, gateways)
-- **[VMID_QUICK_REFERENCE.md](VMID_QUICK_REFERENCE.md)** ⭐⭐⭐ - VMID allocation quick reference (ranges, assignments, lookup)
-- **[COMMANDS_QUICK_REFERENCE.md](COMMANDS_QUICK_REFERENCE.md)** ⭐⭐⭐ - Common Proxmox commands quick reference
+- **[QUICK_REFERENCE_CARDS.md](QUICK_REFERENCE_CARDS.md)** ⭐⭐⭐ - Network, VMID, commands, and troubleshooting quick reference cards
 - **[TROUBLESHOOTING_QUICK_REFERENCE.md](TROUBLESHOOTING_QUICK_REFERENCE.md)** ⭐⭐⭐ - Common issues and solutions quick reference
 
 ### Other References