chore: 添加静态资源文件和版本配置文件

添加大量图片、字体、音频等静态资源文件，包括用户界面图片、模板文件和安装界面素材
添加系统版本配置文件(.version)和常量定义文件(.constant)
更新供应商依赖文件，包括Symfony VarDumper组件和相关许可证文件
添加验证码配置文件(captcha.php)和.gitignore规则

app/controller/erp/Stock.php

@@ -0,0 +1,38 @@
+<?php
+// +----------------------------------------------------------------------
+// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2016~2026 https://www.crmeb.com All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
+// +----------------------------------------------------------------------
+// | Author: CRMEB Team <admin@crmeb.com>
+// +----------------------------------------------------------------------
+namespace app\controller\erp;
+
+use app\jobs\product\ProductSyncErp;
+use app\Request;
+use think\Response;
+use \think\facade\Log;
+
+class Stock
+{
+    /**
+     * 库存回调
+     * @param Request $request
+     * @return void
+     */
+    public function stockCallback(Request $request)
+    {
+        [$datas] = $request->postMore([
+            ['datas', []]
+        ], true);
+
+        Log::info(json_encode(['data' => json_encode($datas), 'type' => 'stockCallback']));
+//        if (sys_config('erp_open')) {
+//            ProductSyncErp::dispatchDo('updatePlatformStock', [$datas]);
+//        }
+
+        return Response::create(['code' => "0", "msg" => "执行成功"], "json");
+    }
+}