chore: import upstream snapshot with attribution

tools/client-plugins/browser-scripts/copy-scripts.ts

@@ -0,0 +1,27 @@
+import { cpSync, mkdirSync, rmSync } from 'node:fs';
+import { resolve } from 'node:path';
+
+import { version as workerVersion } from '@freecodecamp/browser-scripts/package.json';
+import { version as helperVersion } from '@freecodecamp/curriculum-helpers/package.json';
+
+const __dirname = import.meta.dirname;
+
+const distDir = resolve(__dirname, 'dist');
+
+const destJsDir = resolve(distDir, './js');
+
+rmSync(distDir, { recursive: true, force: true });
+mkdirSync(destJsDir, { recursive: true });
+
+cpSync(
+  resolve(__dirname, './node_modules/sass.js/dist/sass.sync.js'),
+  resolve(destJsDir, 'workers', workerVersion, 'sass.sync.js')
+);
+cpSync(
+  resolve(
+    __dirname,
+    './node_modules/@freecodecamp/curriculum-helpers/dist/test-runner'
+  ),
+  resolve(destJsDir, `test-runner/${helperVersion}/`),
+  { recursive: true }
+);