Adds badges for build status and latest version.

Author: albertpastrana

README.md

@@ -1,2 +1,6 @@
 # scala-secret
+
+[![build](https://github.com/intenthq/scala-secret/workflows/build/badge.svg)](https://github.com/intenthq/scala-secret/actions?query=workflow%3Abuild)
+[![Latest version](https://img.shields.io/github/v/release/intenthq/scala-secret?include_prereleases&sort=semver)](https://github.com/intenthq/scala-secret/releases)
+
 A tiny micro-library with a wrapper for secret values that prevents them being printed by accident anywhere.