feat(ui): add var VUE_APP_BUILD_TYPE

Author: fiftin

web/vue.config.js

@@ -1,5 +1,12 @@
+const webpack = require('webpack');
+
 module.exports = {
   configureWebpack: {
+    plugins: [
+      new webpack.DefinePlugin({
+        'process.env.VUE_APP_BUILD_TYPE': JSON.stringify(process.env.VUE_APP_BUILD_TYPE),
+      }),
+    ],
     devServer: {
       historyApiFallback: true,
       proxy: {