Add initial windows runtime setup (#292)

* add initial windows runtime setup

* add cool console output

* doctor support windows base

* add `add-path` and `remove-path` for bin/setup-runtime

* fix composer.ps1 path

* add windows system util

* add windows cmd and doctor base check

* add windows fallback for laravel/prompts

* cd fix [skip ci]

* dir separator and typo fix [skip ci]

src/SPC/util/UnixShell.php

@@ -17,6 +17,9 @@ class UnixShell
 
     public function __construct(?bool $debug = null)
     {
+        if (PHP_OS_FAMILY === 'Windows') {
+            throw new RuntimeException('Windows cannot use UnixShell');
+        }
         $this->debug = $debug ?? defined('DEBUG_MODE');
     }