Update README.md

Author: thomas-illiet

.github/workflows/protolint.yaml

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-name: Lint and Check Breaking Changes
+name: Lint
 
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README.md

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 # TerrAPI Protocol
 
-## Overview
+[![Current Tag](https://img.shields.io/github/v/tag/terrapi-solution/protocol?sort=semver)](https://github.com/terrapi-solution/protocol)
+[![Lint Status](https://github.com/terrapi-solution/protocol/actions/workflows/protolint.yaml/badge.svg)](https://github.com/terrapi-solution/protocol/actions/workflows/protolint.yaml)
+[![Go Reference](https://pkg.go.dev/badge/github.com/terrapi-solution/protocol.svg)](https://pkg.go.dev/github.com/terrapi-solution/protocol)
 
+## Overview
 This project shares a protobuf models with all TerrAPI projects.
 
 ## Prerequisites