npm preview-publish update

npm/preview-publish.ps1

@@ -8,7 +8,7 @@ param(
 
 npm install
 
-$NextVersion = $(node get-version.js) + '-preview' + (Get-Date).tostring(“yyyyMMdd”)
+$NextVersion = $(node get-version.js) + '-preview' + (Get-Date).tostring("yyyyMMdd")
 $rootFolder = (Get-Item -Path "./" -Verbose).FullName
 
 if(-Not $Version) {
@@ -20,7 +20,7 @@ $Registry = "http://localhost:4873";
 }
 
 $commands = (
-  "npm-cli-login -u $User -p $Pass -e $Email -r $Registry"
+  "npm-cli-login -u $User -p $Pass -e $Email -r $Registry",
   "cd ng-packs\scripts",
   "npm install",
   "npm run publish-packages -- --nextVersion $Version --preview",