Add DOI

Author: pkiraly

README.md

@@ -1,5 +1,7 @@
 # Metadata Quality Assessment Framework API
 
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.15788411.svg)](https://doi.org/10.5281/zenodo.15788411)
+
 This project is the central piece of the Metadata Quality Assurance
 Framework, every other project is built on top of it. It provides
 a general framework for measuring metadata quality in different 
@@ -1322,7 +1324,6 @@ For the usage and implementation of the API see https://github.com/pkiraly/europ
 
 Java doc for the actual development version of the API: https://pkiraly.github.io/metadata-qa-api.
 
-[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.15788411.svg)](https://doi.org/10.5281/zenodo.15788411)
 [![Build Status](https://travis-ci.org/pkiraly/metadata-qa-api.svg?branch=main)](https://travis-ci.com/pkiraly/metadata-qa-api)
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