feat:初始提交uni-app项目

unpackage/dist/build/mp-weixin/pages/preview/preview.json

@@ -0,0 +1,10 @@
+{
+  "navigationBarTitleText": "预览",
+  "navigationStyle": "custom",
+  "usingComponents": {
+    "uni-icons": "../../uni_modules/uni-icons/components/uni-icons/uni-icons",
+    "uni-dateformat": "../../uni_modules/uni-dateformat/components/uni-dateformat/uni-dateformat",
+    "uni-rate": "../../uni_modules/uni-rate/components/uni-rate/uni-rate",
+    "uni-popup": "../../uni_modules/uni-popup/components/uni-popup/uni-popup"
+  }
+}