beginning of interface

src/utils.ts

@@ -0,0 +1,8 @@
+export function shuffleArray<T>(array: T[]) {
+  const copy = Array.from(array)
+  for (let i = copy.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1));
+    [copy[i], copy[j]] = [copy[j], copy[i]];
+  }
+  return copy
+}