Add Nowstore

frontend/src/App.svelte

@@ -3,9 +3,24 @@
 	import Header from "$lib/components/Header.svelte";
 	import Router from "$lib/router/Router.svelte";
 	import { billsStore } from "$lib/store/billsStore";
-	import { Close } from '$wails/main/App'
+	import { Close } from "$wails/main/App";
+	import { nowStore } from "$lib/store/nowStore";
 
 	console.log($billsStore);
+	console.log($nowStore);
+
+	setTimeout(nowStore.next, 1000);
+	setTimeout(nowStore.next, 2000);
+	setTimeout(nowStore.next, 3000);
+	setTimeout(nowStore.next, 4000);
+	setTimeout(nowStore.next, 5000);
+	setTimeout(nowStore.next, 6000);
+	setTimeout(nowStore.next, 7000);
+	setTimeout(nowStore.next, 8000);
+
+	$: {
+		console.log($nowStore);
+	}
 
 	function keyDown(event: KeyboardEvent) {
 		if (event.ctrlKey && event.key == "r") {

frontend/src/lib/store/nowStore.ts

@@ -0,0 +1,24 @@
+import { type Writable, writable } from "svelte/store";
+
+async function createStore(): Promise<Writable<Date> & { next: Function; prev: Function }> {
+	const { subscribe, update, set } = writable(new Date());
+	return {
+		subscribe,
+		update,
+		set,
+		next: () => {
+			update((now: Date) => {
+				now.setMonth(now.getMonth() + 1);
+				return now
+			});
+		},
+		prev: () => {
+			update((now: Date) => {
+				now.setMonth(now.getMonth() - 1);
+				return now
+			});
+		},
+	};
+}
+
+export const nowStore = await createStore();