Adding custom game store.

src/lib/stores/gameSearchStore.ts

@@ -0,0 +1,32 @@
+import { writable } from 'svelte/store';
+import type { GameType } from '$lib/types';
+
+// Custom store
+const newGameStore = () => {
+	const { subscribe, update } = writable([]);
+
+	function add(game: GameType) {
+		update((store) => [...store, game]);
+	}
+
+  function addAll(games: GameType[]) {
+    update((store) => [...store, ...games]);
+  }
+
+	function remove(id: string) {
+		update((store) => {
+			const newStore = store.filter((item: GameType) => item.id !== id);
+			return [...newStore];
+		});
+	}
+
+  function removeAll() {
+    update(() => {
+      return [];
+    });
+  }
+
+	return { subscribe, add, addAll, remove, removeAll };
+};
+
+export const gameStore = newGameStore();