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>

remote-execution/Resume-Download.bat

@@ -0,0 +1,18 @@
+@echo off
+:: Resume-Download — Resumable download for SharePoint and general URLs
+:: Uses domain credentials for SharePoint auth
+
+if "%~1"=="" (
+    set /p "URL=Enter download URL: "
+) else (
+    set "URL=%~1"
+)
+
+if "%~2"=="" (
+    set /p "DEST=Save as (full path, e.g. C:\Temp\file.iso): "
+) else (
+    set "DEST=%~2"
+)
+
+powershell -NoProfile -ExecutionPolicy Bypass -File "%~dp0Resume-Download.ps1" -Url "%URL%" -Destination "%DEST%"
+pause