Use toLocaleString for currency formatting for more flexibility

svelte/src/util/Euro.svelte

@@ -1,12 +1,13 @@
 <script>
+export let symbol = "€"
 export let amount = 0
 export let precision = 2
 </script>
 
 <span>
-	€
+	{symbol}
 	<span class:red={amount < 0} class:green={amount > 0}>
-		{(amount / 1000000).toFixed(precision)}
+		{(amount / 1000000).toLocaleString(undefined, {minimumFractionDigits: precision, maximumFractionDigits: precision})}
 	</span>
 </span>