feat: expand advanced widget experiences

apps/docs/docs/widgets/clock/index.mdx

@@ -15,6 +15,8 @@ import { clockWidget } from ".";
 
 The clock widget displays the current date and time in a customizable format.
 
+Advanced view always exposes seconds, the full date, timezone and UTC offset. When weather is enabled, it also shows the configured location, conditions, today's high/low and humidity, wind, sunrise, and sunset from the same cached forecast.
+
 ### Screenshots
 
 import localClock from "./img/local.png";