Update clean.ps1

Other/clean.ps1

@@ -1,8 +1,16 @@
 Push-Location (Split-Path $MyInvocation.MyCommand.Path -Parent)
 
-if (Test-Path 'release') {
+if ( Test-Path 'release' ) {
     rm -Recurse -Force 'release'
 }
 
+Get-ChildItem -Path '.' -Directory | ForEach-Object {
+    $name=$_.Name
+
+    if ( Test-Path "$name\src" ) {
+        rm -Recurse -Force "$name\src"
+    }
+}
+
 Pop-Location
 exit 0