Update build chain

webpack.config.js

@@ -0,0 +1,10 @@
+const path = require('path');
+
+module.exports = {
+  entry: './js/main.js',
+  mode: 'production',
+  output: {
+    filename: 'custom_components/browser_mod/browser_mod.js',
+    path: path.resolve(__dirname)
+  }
+};