copy books to build dir

webpack.config.js

@@ -1,5 +1,6 @@
 const path = require('path')
 
+const CopyPlugin = require('copy-webpack-plugin')
 const HtmlWebpackPlugin = require('html-webpack-plugin')
 const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin')
 const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
@@ -58,8 +59,9 @@ module.exports = (env, argv) => {
         name: entrypoint => `runtime-${entrypoint.name}`
       }
     },
-    resolve: { modules: ['src', 'lib', 'node_modules'] },
+    resolve: { modules: ['src', 'node_modules'] },
     plugins: [
+      new CopyPlugin([{ from: 'books', to: 'books' }]),
       // creat an index.html
       new HtmlWebpackPlugin(),
       // show a progress bar