Move new ui to ui directory

ui/src/components/DateFormat.svelte

@@ -0,0 +1,17 @@
+<script>
+ export let date;
+ export let dateStyle = "long";
+ export let timeStyle = "long";
+
+ function formatDate(input, dateStyle, timeStyle) {
+     if (typeof input === 'string') {
+         input = new Date(input);
+     }
+     return new Intl.DateTimeFormat(undefined, {
+         dateStyle,
+         timeStyle,
+     }).format(input);
+ }
+</script>
+
+{formatDate(date, dateStyle, timeStyle)}