modify：新增小程序

Sale/app.json

@@ -0,0 +1,31 @@
+{
+  "pages": [
+    "pages/index/index",
+    "pages/trend/trend"
+  ],
+  "window": {
+    "navigationBarTextStyle": "white",
+    "navigationBarTitleText": "钢材价格查询",
+    "navigationBarBackgroundColor": "#0052D9",
+    "backgroundColor": "#f5f5f5"
+  },
+  "usingComponents": {
+    "t-button": "tdesign-miniprogram/button/button",
+    "t-input": "tdesign-miniprogram/input/input",
+    "t-picker": "tdesign-miniprogram/picker/picker",
+    "t-picker-item": "tdesign-miniprogram/picker-item/picker-item",
+    "t-cell": "tdesign-miniprogram/cell/cell",
+    "t-cell-group": "tdesign-miniprogram/cell-group/cell-group",
+    "t-tag": "tdesign-miniprogram/tag/tag",
+    "t-divider": "tdesign-miniprogram/divider/divider",
+    "t-loading": "tdesign-miniprogram/loading/loading",
+    "t-empty": "tdesign-miniprogram/empty/empty",
+    "t-date-time-picker": "tdesign-miniprogram/date-time-picker/date-time-picker",
+    "t-tab-bar": "tdesign-miniprogram/tab-bar/tab-bar",
+    "t-tab-bar-item": "tdesign-miniprogram/tab-bar-item/tab-bar-item"
+  },
+  "style": "v2",
+  "componentFramework": "glass-easel",
+  "sitemapLocation": "sitemap.json",
+  "lazyCodeLoading": "requiredComponents"
+}