Merge branch 'main' into docs/priority-flow-diagram

Author: flippedcoder

docs/develop/java/activities/index.mdx

@@ -19,6 +19,7 @@ import * as Components from '@site/src/components';
 
 - [Activity basics](/develop/java/activities/basics)
 - [Activity execution](/develop/java/activities/execution)
+- [Standalone Activities](/develop/java/activities/standalone-activities)
 - [Timeouts](/develop/java/activities/timeouts)
 - [Asynchronous Activity Completion](/develop/java/activities/asynchronous-activity)
 - [Benign exceptions](/develop/java/activities/benign-exceptions)