Add build and scala steward badges

README.md

@@ -1,6 +1,8 @@
 # cakemix
 
+[![build](https://github.com/wehkamp/cakemix/workflows/build/badge.svg)](https://github.com/wehkamp/cakemix/actions/workflows/scala.yml?query=workflow%3Abuild+branch%3Amain)
 ![Current Version](https://img.shields.io/badge/version-2.0.0-brightgreen.svg?style=flat "2.0.0")
+[![Scala Steward badge](https://img.shields.io/badge/Scala_Steward-helping-blue.svg?style=flat&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAQCAMAAAARSr4IAAAAVFBMVEUAAACHjojlOy5NWlrKzcYRKjGFjIbp293YycuLa3pYY2LSqql4f3pCUFTgSjNodYRmcXUsPD/NTTbjRS+2jomhgnzNc223cGvZS0HaSD0XLjbaSjElhIr+AAAAAXRSTlMAQObYZgAAAHlJREFUCNdNyosOwyAIhWHAQS1Vt7a77/3fcxxdmv0xwmckutAR1nkm4ggbyEcg/wWmlGLDAA3oL50xi6fk5ffZ3E2E3QfZDCcCN2YtbEWZt+Drc6u6rlqv7Uk0LdKqqr5rk2UCRXOk0vmQKGfc94nOJyQjouF9H/wCc9gECEYfONoAAAAASUVORK5CYII=)](https://scala-steward.org)
 [![License](https://img.shields.io/badge/license-Apache%202.0-blue.svg?style=flat "Apache 2.0")](LICENSE)
 
 Scala micro-lib containing handy mixin traits for building Akka or Apache Pekko applications