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/builder/windows/SystemUtil.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\builder\windows;
+
+class SystemUtil
+{
+    /**
+     * @param  string      $name  命令名称
+     * @param  array       $paths 寻找的目标路径（如果不传入，则使用环境变量 PATH）
+     * @return null|string 找到了返回命令路径，找不到返回 null
+     */
+    public static function findCommand(string $name, array $paths = []): ?string
+    {
+        if (!$paths) {
+            $paths = explode(PATH_SEPARATOR, getenv('Path'));
+        }
+        foreach ($paths as $path) {
+            if (file_exists($path . DIRECTORY_SEPARATOR . $name)) {
+                return $path . DIRECTORY_SEPARATOR . $name;
+            }
+        }
+        return null;
+    }
+}