configured webpack to copy olm.wasm automatically

webpack.prod.js

@@ -4,6 +4,7 @@ const { merge } = require('webpack-merge');
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 const CssMinimizerPlugin = require('css-minimizer-webpack-plugin');
 const { CleanWebpackPlugin } = require('clean-webpack-plugin');
+const CopyPlugin = require("copy-webpack-plugin");
 
 module.exports = merge(common, {
   mode: 'production',
@@ -35,5 +36,11 @@ module.exports = merge(common, {
     new MiniCssExtractPlugin({
       filename: '[name].[contenthash].bundle.css',
     }),
+    new CopyPlugin({
+      patterns: [
+        { from: 'olm.wasm' },
+        { from: '_redirects' },
+      ],
+    }),
   ],
 });