init

- 框架初始化
 - 安装插件
 - 修复PHP8.4报错

addons/epay/library/v3/Yansongda/Pay/Plugin/Wechat/WechatPublicCertsPlugin.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yansongda\Pay\Plugin\Wechat;
+
+use Yansongda\Pay\Rocket;
+
+class WechatPublicCertsPlugin extends GeneralPlugin
+{
+    protected function getMethod(): string
+    {
+        return 'GET';
+    }
+
+    protected function doSomething(Rocket $rocket): void
+    {
+        $rocket->setPayload(null);
+    }
+
+    protected function getUri(Rocket $rocket): string
+    {
+        return 'v3/certificates';
+    }
+}