Document local cloud startup and harden persistence

OpenJibo/scripts/cloud/Start-OpenJiboPlayground.ps1

@@ -0,0 +1,20 @@
+param(
+    [string]$ProjectPath = "src/Playground/Playground.csproj"
+)
+
+$ErrorActionPreference = "Stop"
+
+$repoRoot = [System.IO.Path]::GetFullPath((Join-Path $PSScriptRoot "..\.."))
+$resolvedProjectPath = [System.IO.Path]::GetFullPath((Join-Path $repoRoot $ProjectPath))
+
+if (-not (Test-Path -LiteralPath $resolvedProjectPath)) {
+    throw "Could not find Playground project at $resolvedProjectPath"
+}
+
+Write-Host "Starting OpenJibo Playground"
+Write-Host " - project: $resolvedProjectPath"
+Write-Host " - mode: direct local Jibo ASR/TTS client"
+Write-Host ""
+Write-Host "When prompted, enter the Jibo IP address on your local network."
+
+dotnet run --project $resolvedProjectPath