后台资源管理增加管事端配置组

Co-authored-by: Cursor <cursoragent@cursor.com>

src/views/miniapp/MiniappConfig.vue

@@ -59,6 +59,7 @@
             <el-select v-model="assetGroup" placeholder="资源组" style="width: 200px" @change="loadAssets">
               <el-option label="排行榜" value="paihangbang" />
               <el-option label="商家端" value="shangjiaduan" />
+              <el-option label="管事端" value="guanshiduan" />
             </el-select>
             <el-button type="primary" :loading="assetSaving" @click="saveAssets">保存路径</el-button>
             <el-button @click="loadAssets">刷新</el-button>