Add fixnetworkshare, winrm-setup-package, udc remote-execution suites

- NetworkDriveManager.ps1: S: drive repair utility
- winrm-setup-package: Invoke-RemoteTask helper + Setup-WinRM.bat + HTML guide
- remote-execution/udc: UDC_Update.ps1 and batch wrappers for updating
  DNC controllers on shop-floor PCs
- Invoke-RemoteMaintenance.ps1: substantial rework (~1650 lines)
- Schedule-Maintenance and complete-asset minor updates
- Bump edncfix gitlink to v1.6.0 (2748bfa)
- .gitignore: block inventory.csv/xlsx (CUI) and logs_*.txt (per-host logs)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitignore

@@ -15,6 +15,13 @@ logs/
 # CSV data files (generated)
 applications.csv
 
+# Inventory data (contains CUI / employee SSO / MAC addresses)
+inventory.csv
+inventory.xlsx
+
+# Per-host log files written by remote-execution scripts
+logs_*.txt
+
 # Text files with hostnames/IPs (sensitive)
 computers.txt
 shopfloor-pcs.txt