feat: 新增SP相关配置的枚举

- 添加 EnvConfiguration 接口，定义开发和生产环境常量
- 添加 ServiceProviderConfiguration 接口，继承环境和站点配置接口
- 添加 SiteConfiguration接口，定义中国和北美站点常量

Signed-off-by: 李东云 <dongyu.li@luxcreo.ai>

src/Enumerations/Sp/EnvConfiguration.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * EnvConfiguration.php@Core
+ *
+ * @author 李东云 <Dongyun.Li@LuxCreo.Ai>
+ * Powered by PhpStorm
+ * Created on 2025/7/11
+ */
+
+namespace Singularity\HDK\Core\Enumerations\Sp;
+
+interface EnvConfiguration
+{
+    public const DEVELOPMENT = 'development';
+    public const PRODUCTION = 'production';
+}

src/Enumerations/Sp/ServiceProviderConfiguration.php

@@ -0,0 +1,12 @@
+<?php
+/**
+ * ServiceProviderConfiguration.php@Core
+ *
+ * @author 李东云 <Dongyun.Li@LuxCreo.Ai>
+ * Powered by PhpStorm
+ * Created on 2025/7/11
+ */
+
+namespace Singularity\HDK\Core\Enumerations\Sp;
+
+interface ServiceProviderConfiguration extends EnvConfiguration, SiteConfiguration {}

src/Enumerations/Sp/SiteConfiguration.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * SiteConfigration.php@Core
+ *
+ * @author 李东云 <Dongyun.Li@LuxCreo.Ai>
+ * Powered by PhpStorm
+ * Created on 2025/7/11
+ */
+
+namespace Singularity\HDK\Core\Enumerations\Sp;
+
+interface SiteConfiguration
+{
+    public const CN = 'CN';
+    public const NA = 'NA';
+}