chore: flatten web project structure

src/components/SumCard/index.vue

@@ -1,29 +0,0 @@
-<template>
-  <view class="sum-wrapper">
-    <view class="sum-item">
-      <text class="sum-label">价格</text>
-      <text class="sum-value">¥{{ referencePrice }}</text>
-    </view>
-    <view class="sum-item">
-      <text class="sum-label">折扣优惠</text>
-      <text class="sum-discount">-¥{{ discount }}</text>
-    </view>
-  </view>
-</template>
-
-<script setup>
-defineProps({
-  referencePrice: {
-    type: Number,
-    default: 0,
-  },
-  discount: {
-    type: Number,
-    default: 0,
-  },
-});
-</script>
-
-<style scoped lang="scss">
-@import "./styles/index.scss";
-</style>