提交初始版本，使用vant ui库

miniprogram_npm/@vant/weapp/loading/index.wxs

@@ -0,0 +1,22 @@
+/* eslint-disable */
+var style = require('../wxs/style.wxs');
+var addUnit = require('../wxs/add-unit.wxs');
+
+function spinnerStyle(data) {
+  return style({
+    color: data.color,
+    width: addUnit(data.size),
+    height: addUnit(data.size),
+  });
+}
+
+function textStyle(data) {
+  return style({
+    'font-size': addUnit(data.textSize),
+  });
+}
+
+module.exports = {
+  spinnerStyle: spinnerStyle,
+  textStyle: textStyle,
+};