chore: move utils to package

packages/utils/array.ts

@@ -0,0 +1,19 @@
+/**
+ * Return random elements from an array
+ */
+export const getRandomItems = <T> (array: T[], amount: number): T[] => {
+    const shuffled = array.slice()
+    for (let i = shuffled.length - 1; i > 0; i--) {
+        const j = Math.floor(Math.random() * (i + 1));
+        [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]]
+    }
+    return shuffled.slice(0, amount)
+}
+
+
+/**
+ * Return a random element from an array
+ */
+export const getRandomItem = <T extends Array<unknown>> (array: T): T[0] => {
+    return getRandomItems(array, 1)[0]
+}