has someone an example of kotlin multiplatform repo with jacoco code coverage set up?

You can use kotlinx-kover https://github.com/Kotlin/kotlinx-kover

wseet, will have a look. Does it have integration with sonarcube?

Yes it should work, https://slack-chats.kotlinlang.org/t/10385675/has-anyone-configured-sonarqube-to-work-with-kover-is-there-