docs: Add badge for code quality

ReadMe.md

@@ -2,7 +2,7 @@
 
 Author: [Tobit Flatscher](https://github.com/2b-t) (2023 - 2024)
 
-[![Tests](https://github.com/2b-t/myactuator_rmd/actions/workflows/run-tests.yml/badge.svg)](https://github.com/2b-t/myactuator_rmd/actions/workflows/run-tests.yml) [![codecov](https://codecov.io/gh/2b-t/myactuator_rmd/graph/badge.svg?token=VSDNKL4G4W)](https://codecov.io/gh/2b-t/myactuator_rmd) [![C++17 Standard](https://img.shields.io/badge/Standard-C++17-yellow.svg?style=flat&logo=c%2B%2B)](https://isocpp.org/std/the-standard) [![Python 3](https://img.shields.io/badge/Python-3-yellow.svg?style=flat&logo=python)](https://www.python.org/downloads/) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+[![Tests](https://github.com/2b-t/myactuator_rmd/actions/workflows/run-tests.yml/badge.svg)](https://github.com/2b-t/myactuator_rmd/actions/workflows/run-tests.yml) [![codecov](https://codecov.io/gh/2b-t/myactuator_rmd/graph/badge.svg?token=VSDNKL4G4W)](https://codecov.io/gh/2b-t/myactuator_rmd) [![Codacy Badge](https://app.codacy.com/project/badge/Grade/ab6c938baaac477e98c69cdf84d61420)](https://app.codacy.com/gh/2b-t/myactuator_rmd/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade) [![C++17 Standard](https://img.shields.io/badge/Standard-C++17-yellow.svg?style=flat&logo=c%2B%2B)](https://isocpp.org/std/the-standard) [![Python 3](https://img.shields.io/badge/Python-3-yellow.svg?style=flat&logo=python)](https://www.python.org/downloads/) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)