add more steps, fix grammar, show version

webpack.config.js

@@ -2,6 +2,12 @@ import { fileURLToPath } from 'url';
 import ESLintPlugin from 'eslint-webpack-plugin';
 import TerserPlugin from 'terser-webpack-plugin';
 import CopyPlugin from 'copy-webpack-plugin';
+import webpack from 'webpack';
+import { readFile } from 'fs/promises';
+
+// read version from package.json
+const pk = JSON.parse(await readFile(new URL('package.json', import.meta.url)));
+process.env.ULTRAVIOLET_VERSION = pk.version;
 
 const isDevelopment = process.env.NODE_ENV !== 'production';
 
@@ -67,6 +73,7 @@ const config = {
                 },
             ],
         }),
+        new webpack.EnvironmentPlugin('ULTRAVIOLET_VERSION'),
     ],
     performance: {
         // suppress "entrypoint size limit" warning