Add new blog post to README.md

Author: LukasLechnerDev

README.md

@@ -28,6 +28,7 @@ Unit Tests exist for most use cases.
 * Kotlin Coroutines Exception Handling explained [[link](https://youtu.be/Pgek3_3vPU8)]
 
 ## ✍️ Related blog posts
+* 7 Common Mistakes you might be making when using Kotlin Coroutines [[link](https://www.lukaslechner.com/7-common-mistakes-you-might-be-making-when-using-kotlin-coroutines/)]
 * Why exception handling with Kotlin Coroutines is so hard and how to successfully master it! [[link](https://www.lukaslechner.com/why-exception-handling-with-kotlin-coroutines-is-so-hard-and-how-to-successfully-master-it/)]
 * Kotlin Coroutines exception handling cheat sheet [[link](https://www.lukaslechner.com/coroutines-exception-handling-cheat-sheet/)]
 * Understanding Kotlin Coroutines with this mental model [[link](https://www.lukaslechner.com/understanding-kotlin-coroutines-with-this-mental-model/)]