Add renormalization support in syncback scripts. Updated both PowerShell and shell scripts to include 'git add --renormalize .' when the clean flag is active, ensuring proper handling of line endings.

syncback.ps1

@@ -59,4 +59,5 @@ if ($FilteredArgs.Count -eq 0) {
 if ($DoClean) {
   Write-Host "Running git add..."
   git add .
+  git add --renormalize .
 }

syncback.sh

@@ -55,4 +55,5 @@ fi
 if [ "$DoClean" = true ]; then
   echo "Running git add..."
   git add .
+  git add --renormalize .
 fi