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>

scripts/example-using-modules.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Example script using shared modules
+# Demonstrates how to use the modular approach
+
+set -euo pipefail
+
+# Load shared modules
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/lib/ip-config.sh"
+source "$SCRIPT_DIR/lib/logging.sh"
+source "$SCRIPT_DIR/lib/proxmox-api.sh"
+source "$SCRIPT_DIR/lib/ssh-helpers.sh"
+
+# Now you can use:
+# - IP variables: $PROXMOX_HOST_ML110, $IP_BLOCKSCOUT, etc.
+# - Logging functions: log_info, log_success, log_error, etc.
+# - Proxmox API: proxmox_api_call, check_container_status, etc.
+# - SSH helpers: ssh_proxmox, ssh_container, test_ssh_connection
+
+log_header "Example Script Using Modules"
+
+log_info "Proxmox Host: $PROXMOX_HOST_ML110"
+log_info "Blockscout IP: $IP_BLOCKSCOUT"
+
+# Test SSH connection
+if test_ssh_connection "$PROXMOX_HOST_ML110"; then
+    log_success "Connection test passed"
+else
+    log_error "Connection test failed"
+    exit 1
+fi
+
+log_success "Example complete!"