fix: batches URL

README.md

 # Engine API Server
 
-[![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg)](code_of_conduct.md) [![Latest Release](https://gitlab.servus.at/aura/aura/-/badges/release.svg)](https://gitlab.servus.at/aura/aura/-/releases) [![pipeline status](https://gitlab.servus.at/aura/aura/badges/main/pipeline.svg)](https://gitlab.servus.at/aura/aura/-/commits/main)
+[![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg)](code_of_conduct.md) [![Latest Release](https://gitlab.servus.at/aura/engine-api/-/badges/release.svg)](https://gitlab.servus.at/aura/engine-api/-/releases) [![pipeline status](https://gitlab.servus.at/aura/engine-api/badges/main/pipeline.svg)](https://gitlab.servus.at/aura/engine-api/-/commits/main)
 
 <img src="https://gitlab.servus.at/aura/aura/-/raw/main/assets/images/aura-engine.png" width="120" align="right" />