Add status badges

Co-Authored-By: Pietro Monticone <38562595+pitmonticone@users.noreply.github.com>
Co-Authored-By: Claudio Moroni <43729990+ClaudMor@users.noreply.github.com>

Author: 3 people

README.md

@@ -3,7 +3,9 @@
 [![License: MIT](https://img.shields.io/badge/License-MIT-green.svg)](https://github.com/JuliaGraphs/MultilayerGraphs.jl/blob/main/LICENSE)
 [![Stable](https://img.shields.io/badge/docs-stable-blue.svg)](https://juliagraphs.org/MultilayerGraphs.jl/stable)
 [![Dev](https://img.shields.io/badge/docs-dev-blue.svg)](https://juliagraphs.org/MultilayerGraphs.jl/dev)
-[![Build Status](https://github.com/JuliaGraphs/MultilayerGraphs.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/JuliaGraphs/MultilayerGraphs.jl/actions/workflows/CI.yml?query=branch%3Amain)
+[![CI](https://github.com/JuliaGraphs/MultilayerGraphs.jl/actions/workflows/CI.yml/badge.svg)](https://github.com/JuliaGraphs/MultilayerGraphs.jl/actions/workflows/CI.yml)
+[![Compat Helper](https://github.com/JuliaGraphs/MultilayerGraphs.jl/actions/workflows/CompatHelper.yml/badge.svg)](https://github.com/JuliaGraphs/MultilayerGraphs.jl/actions/workflows/CompatHelper.yml)
+[![Format Check](https://github.com/JuliaGraphs/MultilayerGraphs.jl/actions/workflows/FormatCheck.yml/badge.svg)](https://github.com/JuliaGraphs/MultilayerGraphs.jl/actions/workflows/FormatCheck.yml)
 [![codecov](https://codecov.io/gh/JuliaGraphs/MultilayerGraphs.jl/branch/main/graph/badge.svg?token=Z758JuxDJX)](https://codecov.io/gh/JuliaGraphs/MultilayerGraphs.jl)
 [![Coverage Status](https://coveralls.io/repos/github/JuliaGraphs/MultilayerGraphs.jl/badge.svg?branch=main)](https://coveralls.io/github/JuliaGraphs/MultilayerGraphs.jl?branch=main)
 [![Code Style: Blue](https://img.shields.io/badge/code%20style-blue-4495d1.svg)](https://github.com/invenia/BlueStyle)