Update README.md

Author: rcalago

core-kotlin-modules/core-kotlin-concurrency-3/README.md

@@ -7,3 +7,4 @@ This module contains articles about concurrency in Kotlin.
 - [Difference Between collect() and collectLatest() in Kotlin Flows](https://www.baeldung.com/kotlin/flow-collect-vs-collectlatest)
 - [Difference Between Value and Emit in MutableStateFlow Kotlin](https://www.baeldung.com/kotlin/mutablestateflow-value-vs-emit)
 - [Difference Between single() and first() in Kotlin Flows](https://www.baeldung.com/kotlin/flows-single-vs-first)
+- [Scheduling Repeating Task in Kotlin](https://www.baeldung.com/kotlin/schedule-repeating-task)