feat(domesticMini): 在详情跳转时存储homeTabIndex

在doDetail函数中添加uni.setStorageSync调用，用于在跳转到详情页时保存当前tab索引

src/components/domesticMini.vue

@@ -21,6 +21,7 @@ const form = reactive({
 });
 
 function doDetail(item) {
+  uni.setStorageSync("homeTabIndex", 2);
   uni.navigateTo({
     url: "/pages/detail/indexNewsInfo?id=" + item.id + "&type=guonei",
   });