Fix readme icons

Author: tomas-novotny

README.md

@@ -1,6 +1,8 @@
 # Assert
 
+[![Latest Stable Version][ico-release]][link-release]
 [![Build Status][ico-workflow]][link-workflow]
+[![Go Dev Reference][ico-go-dev-reference]][link-go-dev-reference]
 [![Software License][ico-license]][link-licence]
 
 Simple and lightweight testing assertion library for Go.
@@ -44,10 +46,15 @@ The MIT License (MIT). Please see [License File][link-licence] for more informat
 
 
 [ico-license]:              https://img.shields.io/github/license/gravitton/assert.svg?style=flat-square&colorB=blue
-[ico-workflow]:             https://img.shields.io/github/actions/workflow/status/gravitton/assert/master.yml?branch=master&style=flat-square
+[ico-workflow]:             https://img.shields.io/github/actions/workflow/status/gravitton/assert/main.yml?branch=main&style=flat-square
+[ico-release]:              https://img.shields.io/github/v/release/gravitton/assert?style=flat-square&colorB=blue
+[ico-go-dev-reference]:     https://img.shields.io/badge/go.dev-reference-blue?style=flat-square
 
 [link-author]:              https://github.com/gravitton
+[link-release]:             https://github.com/gravitton/assert/releases
 [link-contributors]:        https://github.com/gravitton/assert/contributors
 [link-licence]:             ./LICENSE.md
 [link-changelog]:           ./CHANGELOG.md
 [link-workflow]:            https://github.com/gravitton/assert/actions
+[link-go-dev-reference]:    https://pkg.go.dev/github.com/gravitton/assert
+