feat(medusa,dashboard,tax): added tax rates and regions UI (#7026)

whats missing:

- make rules required for overrides
- conditions for other rules
- populating condition reference ids with labels on update

Co-authored-by: Adrien de Peretti <25098370+adrien2p@users.noreply.github.com>

packages/admin-next/dashboard/src/components/common/date/index.ts

@@ -0,0 +1,11 @@
+import format from "date-fns/format"
+
+export function formatDate(date: string | Date) {
+  const value = new Date(date)
+  value.setMinutes(value.getMinutes() - value.getTimezoneOffset())
+
+  const hour12 = Intl.DateTimeFormat().resolvedOptions().hour12
+  const timestampFormat = hour12 ? "dd MMM yyyy hh:MM a" : "dd MMM yyyy HH:MM"
+
+  return format(value, timestampFormat)
+}