win_wait_for: added module (#26556)

* win_wait_for: added module

* Increased timeout on async task

* added more debug messages for test debug

* revert to using win_shell instead of win_command

* rebased from master and updated copyright string

* Updated metadata version

* Capitalised start of short_description

* disabled win_wait_for tests until async issues are solved

test/integration/targets/win_wait_for/templates/http-server.ps1

@@ -0,0 +1,22 @@
+$ErrorActionPreference = 'Stop'
+
+$port = {{test_win_wait_for_port}}
+
+$endpoint = New-Object -TypeName System.Net.IPEndPoint([System.Net.IPAddress]::Parse("0.0.0.0"), $port)
+$listener = New-Object -TypeName System.Net.Sockets.TcpListener($endpoint)
+$listener.Server.ReceiveTimeout = 3000
+$listener.Start()
+
+try {
+    while ($true) {
+        if (-not $listener.Pending()) {
+            Start-Sleep -Seconds 1
+        } else {
+            $client = $listener.AcceptTcpClient()
+            $client.Close()
+            break
+        }
+    }
+} finally {
+    $listener.Stop()
+}