init the awkward code

static/js/libarchive.js/rollup.config.js

@@ -0,0 +1,19 @@
+import copy from 'rollup-plugin-copy-assets';
+import { terser } from "rollup-plugin-terser";
+
+export default {
+    input: 'src/webworker/worker.js',
+    output: [
+        {
+            file: 'dist/worker-bundle.js',
+            format: 'iife'
+        }
+    ],
+    plugins: [
+        copy({
+            assets: [
+                './src/webworker/wasm-gen'
+            ],
+        }),
+    ].concat( process.env.BUILD === 'production' ? [terser()] : [] ),
+};