refactor: make this a valid nuget package for Powershell gallery

feat: add build environment scripts

scripts/clean.ps1

@@ -0,0 +1,22 @@
+#! /usr/bin/pwsh
+
+Set-StrictMode -Version Latest
+
+$ErrorActionPreference = 'Stop'
+
+$ErrorView = "NormalView"
+
+$basePath = Join-Path $PSScriptRoot '..'
+
+@(
+    'dist',
+    'test-reports'
+) | ForEach {
+    $path = Join-Path $basePath $_
+
+    If (-Not (Test-Path $path)) {return}
+
+    Write-Host "rm: $(Resolve-Path $path)"
+
+    Remove-Item -Recurse -Force ($path)
+}