aded Tarokka deck

lib/TarokkaDeck.ts

@@ -0,0 +1,21 @@
+import getRandomItems from '../tools/getRandomItems';
+import cards from '../constants/tarokkaCards';
+import type { TarokkaCard } from '../types';
+
+export default class TarokkaDeck {
+  private deck: TarokkaCard[] = [];
+  private backs: TarokkaCard[] = [];
+
+  constructor() {
+    this.deck = cards.filter(card => !card.back);
+    this.backs = cards.filter(card => card.back);
+  }
+
+  select(count: number): TarokkaCard[] {
+    return getRandomItems(this.deck, count);
+  }
+
+  getBack(): TarokkaCard {
+    return this.backs[0];
+  }
+}