添加配置管理功能，包括获取和设置配置值的接口及实现

Web/src/api/config.js

@@ -0,0 +1,28 @@
+import request from './request'
+
+/**
+ * 获取配置值
+ * @param {string} key - 配置的key
+ * @returns {Promise<{success: boolean, data: string}>}
+ */
+export const getConfig = (key) => {
+  return request({
+    url: '/Config/GetConfig',
+    method: 'get',
+    params: { key }
+  })
+}
+
+/**
+ * 设置配置值
+ * @param {string} key - 配置的key
+ * @param {string} value - 配置的值
+ * @returns {Promise<{success: boolean}>}
+ */
+export const setConfig = (key, value) => {
+  return request({
+    url: '/Config/SetConfig',
+    method: 'post',
+    params: { key, value }
+  })
+}