Update README.md

thanks @kimboslice99

README.md

@@ -115,6 +115,17 @@ response = requests.post(url, headers=headers, json=data)
 print(response.text)
 ```
 
+Example PowerShell request:
+```ps1
+$body = @{
+ cmd = "request.get"
+ url = "http://www.google.com/"
+ maxTimeout = 60000
+} | ConvertTo-Json
+
+irm -UseBasicParsing 'http://localhost:8191/v1' -Headers @{"Content-Type"="application/json"} -Method Post -Body $body
+```
+
 ### Commands
 
 #### + `sessions.create`