Review build

builder/build.ps1

@@ -30,11 +30,14 @@ if ($Sign) {
 Write-Output "Building WinBGP service"
 & "..\service\WinBGP-Service.ps1" -Build
 
+
+Get-ChildItem "..\"
 Get-ChildItem "..\service\"
 Get-ChildItem "..\src\"
 
 # Building engine
 Write-Output "Building engine"
+New-Item -ItemType Directory -Path "..\engine" -Force
 Get-ChildItem -Path '..\src' | Where-Object {$_.Extension -eq '.ps1'} |  ForEach-Object {
     Copy-Item -Path $_.FullName  -Destination "..\engine" -Force
     if ($Sign) {