Update prosty-rag.cmd

prosty-rag.cmd

@@ -42,6 +42,7 @@ goto :eof
 #> | Out-Null
 $topK = 3
 Add-Type -AssemblyName System.Web
+$OutputEncoding = [Console]::OutputEncoding = [System.Text.UTF8Encoding]::new()
 $listener = [System.Net.HttpListener]::new()
 $listener.Prefixes.Add('http://localhost:8081/')
 $listener.Start()