docs: added a link to the CI badge (#14252)

Author: Olexandr88

README.md

@@ -9,7 +9,8 @@ frontier.
 
 <br>
 
-![Build status](https://github.com/erigontech/erigon/actions/workflows/ci.yml/badge.svg) [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=erigontech_erigon&metric=coverage)](https://sonarcloud.io/summary/new_code?id=erigontech_erigon)
+[![Build status](https://github.com/erigontech/erigon/actions/workflows/ci.yml/badge.svg)](https://github.com/erigontech/erigon/actions/workflows/ci.yml) 
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=erigontech_erigon&metric=coverage)](https://sonarcloud.io/summary/new_code?id=erigontech_erigon)
 
 <!--ts-->