Document how to run without user interaction

Author: jamesstringer90

README.md

@@ -119,3 +119,14 @@ A. There is another screen on the cloud machine that Parsec can't capture, that
 3. Press Windows Key + P
 4. Press Down Arrow, Down Arrow, Enter.
 
+Q. I want to run this script automatically without user interraction.  
+A. It's possible to do so but you will need to figure out how to install the GPU Driver on your own. The below code will do everything but install the GPU Driver.
+```
+[Net.ServicePointManager]::SecurityProtocol = "tls12, tls11, tls" 
+$ScriptWebArchive = "https://github.com/parsec-cloud/Parsec-Cloud-Preparation-Tool/archive/master.zip"  
+$LocalArchivePath = "$ENV:UserProfile\Downloads\Parsec-Cloud-Preparation-Tool"  
+(New-Object System.Net.WebClient).DownloadFile($ScriptWebArchive, "$LocalArchivePath.zip")  
+Expand-Archive "$LocalArchivePath.zip" -DestinationPath $LocalArchivePath -Force  
+CD $LocalArchivePath\Parsec-Cloud-Preparation-Tool-master\PostInstall | powershell.exe .\PostInstall.ps1 -DontPromptPasswordUpdateGPU
+```
+