Updating readme with min kotlin version (#183)

* updating readme with min kotlin version

* adding new section for requirements

* changing to 1.8.0

README.md

@@ -14,9 +14,13 @@ The queue is persisted to local storage so that data is not lost if the device i
 Once integrated, your marketing team will be able to better understand your app users' needs and
 send them timely push notifications via [FCM (Firebase Cloud Messaging)](https://firebase.google.com/docs/cloud-messaging).
 
-> ⚠️ **We support Android API level 23 and above** ⚠️
+## Requirements
+
+- Kotlin **1.8.0** or later
+- Android API level **23** or later
 
 ## Installation
+
 1. Include the [JitPack](https://jitpack.io/#klaviyo/klaviyo-android-sdk) repository in your project's build file
    <details>
       <summary>Kotlin DSL</summary>