Add Kotlin Weekly Badge

README.md

@@ -7,6 +7,7 @@
   <a href="https://github.com/seljabali/java-time-fun/actions?query=branch%3Amain"><img alt="Build Status" src="https://github.com/seljabali/java-time-fun/actions/workflows/main.yml/badge.svg"/></a> 
   <a href="https://repo1.maven.org/maven2/org/eljabali/sami/javatimefun/javatimefun/"><img alt="Maven Central" src="https://img.shields.io/maven-metadata/v?metadataUrl=https%3A%2F%2Frepo1.maven.org%2Fmaven2%2Forg%2Feljabali%2Fsami%2Fjavatimefun%2Fjavatimefun%2Fmaven-metadata.xml"/></a> 
   <a href="https://kotlinlang.org"><img alt="Kotlin" src="https://img.shields.io/badge/Kotlin-1.9.20-orange.svg?style=flat&logo=kotlin"/></a>
+  <a href="https://mailchi.mp/kotlinweekly/kotlin-weekly-396"><img alt="Kotlin Weekly" src="https://skydoves.github.io/badges/kotlin-weekly.svg"/></a>
 </p> <br>
 
 ## Background