feat: 排行榜奖励后台配置页

- 小程序配置下新增排行榜奖励菜单与 RankReward 页面

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

src/views/Layout.vue

@@ -144,6 +144,7 @@
           <el-menu-item v-if="canShow('miniapp.leixing')" index="/miniapp/leixing">抢单商品类型</el-menu-item>
           <el-menu-item v-if="canShow('miniapp.kaohe-tags')" index="/miniapp/kaohe-tags">抢单考核标签</el-menu-item>
           <el-menu-item v-if="canShow('miniapp.dashou-exam')" index="/miniapp/dashou-exam">打手接单考试</el-menu-item>
+          <el-menu-item v-if="canShow('miniapp.rank-reward')" index="/miniapp/rank-reward">排行榜奖励</el-menu-item>
           <el-menu-item v-if="canShow('miniapp.withdraw-settings')" index="/withdraw/settings">提现与收款设置</el-menu-item>
         </el-sub-menu>