implemented loading of accounts

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/accounting/index.svelte

@@ -1,14 +1,28 @@
 <script>
+	import { onMount } from 'svelte';
 	import { useTinyRouter } from 'svelte-tiny-router';
 	import { t } from '../../translations.svelte';
+	import { api, get } from '../../urls.svelte';
+	import { error, yikes } from '../../warn.svelte';
 
 	const router = useTinyRouter();
 
+	let accounts = [];
+
+	async function load(){
+		let url = api('accounting');
+		let res = await get(url);
+		if (res.ok){
+			yikes();
+			accounts = await res.json();
+		} else error(res);
+	}
+
 	function newAccount(){
 		router.navigate('/accounting/new');
 	}
 
-
+	onMount(load);
 </script>
 
 <fieldset>