init: 汇率换算工具小程序骨架

- 两个页面：首页（双向换算）+ 汇率总览（一对多）
- 基础项目结构和配置
- AppID 待填入

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

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+node_modules/
+miniprogram_npm/
+.DS_Store

README.md

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+# 汇率换算工具 (currency-converter)
+
+微信小程序，个人主体，实时汇率换算工具。
+
+## 功能
+
+- 双向汇率换算（经典模式）
+- 汇率总览（一对多）
+- 主流 20-30 种货币
+- 数据来源：open.er-api.com（免费 API）
+
+## 开发
+
+用微信开发者工具打开项目根目录，在 `project.config.json` 中填入 AppID。

miniprogram/app.js

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+App({
+  globalData: {},
+
+  onLaunch() {
+    console.log('App launched');
+  },
+});

miniprogram/app.json

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+{
+  "pages": [
+    "pages/index/index",
+    "pages/overview/overview"
+  ],
+  "window": {
+    "navigationBarTitleText": "汇率换算",
+    "navigationBarBackgroundColor": "#FFFFFF",
+    "navigationBarTextStyle": "black",
+    "backgroundColor": "#F5F5F5",
+    "backgroundTextStyle": "dark"
+  },
+  "style": "v2",
+  "componentFramework": "glass-easel",
+  "sitemapLocation": "sitemap.json",
+  "lazyCodeLoading": "requiredComponents"
+}

miniprogram/app.wxss

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+page {
+  background-color: #F5F5F5;
+  color: #333333;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+  font-size: 28rpx;
+  line-height: 1.6;
+}
+
+.container {
+  padding: 32rpx;
+}
+
+.card {
+  background-color: #FFFFFF;
+  border-radius: 16rpx;
+  padding: 32rpx;
+  margin-bottom: 24rpx;
+  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.04);
+}
+
+.page-title {
+  font-size: 40rpx;
+  font-weight: 700;
+  margin-bottom: 16rpx;
+}
+
+.page-subtitle {
+  font-size: 26rpx;
+  color: #999999;
+  margin-bottom: 32rpx;
+}

miniprogram/pages/index/index.js

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+Page({
+  data: {},
+
+  onLoad() {
+    console.log('Index page loaded');
+  },
+});

miniprogram/pages/index/index.json

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+{
+  "usingComponents": {}
+}

miniprogram/pages/index/index.wxml

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+<view class="container">
+  <view class="page-title">汇率换算</view>
+  <view class="page-subtitle">实时汇率，主流货币换算</view>
+
+  <view class="card">
+    <view class="placeholder-text">功能开发中</view>
+  </view>
+</view>

miniprogram/pages/index/index.wxss

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+.placeholder-text {
+  color: #999999;
+  font-size: 28rpx;
+  text-align: center;
+  padding: 48rpx 0;
+}

miniprogram/pages/overview/overview.js

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+Page({
+  data: {},
+
+  onLoad() {
+    console.log('Overview page loaded');
+  },
+});

miniprogram/pages/overview/overview.json

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+{
+  "navigationBarTitleText": "汇率总览",
+  "usingComponents": {}
+}

miniprogram/pages/overview/overview.wxml

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+<view class="container">
+  <view class="page-title">汇率总览</view>
+  <view class="page-subtitle">一个基准货币对所有主流货币</view>
+
+  <view class="card">
+    <view class="placeholder-text">功能开发中</view>
+  </view>
+</view>

miniprogram/pages/overview/overview.wxss

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+.placeholder-text {
+  color: #999999;
+  font-size: 28rpx;
+  text-align: center;
+  padding: 48rpx 0;
+}

miniprogram/sitemap.json

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+{
+  "rules": [
+    {
+      "action": "allow",
+      "page": "*"
+    }
+  ]
+}

project.config.json

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+{
+  "miniprogramRoot": "miniprogram/",
+  "appid": "",
+  "projectname": "currency-converter",
+  "description": "汇率换算工具",
+  "setting": {
+    "urlCheck": true,
+    "es6": true,
+    "enhance": true,
+    "postcss": true,
+    "preloadBackgroundData": false,
+    "minified": true,
+    "newFeature": true,
+    "coverView": true,
+    "nodeModules": false,
+    "autoAudits": false,
+    "showShadowRootInWxmlPanel": true,
+    "scopeDataCheck": false,
+    "checkInvalidKey": true,
+    "checkSiteMap": true,
+    "uploadWithSourceMap": true,
+    "compileHotReLoad": false,
+    "lazyloadPlaceholderEnable": false,
+    "useMultiFrameRuntime": true,
+    "babelSetting": {
+      "ignore": [],
+      "disablePlugins": [],
+      "outputPath": ""
+    }
+  },
+  "compileType": "miniprogram",
+  "condition": {}
+}