Add DOI shield and update README.md

Author: jochenklar

.github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
 
     environment:
       name: pypi
-      url: https://pypi.org/p/django-datacite
+      url: https://pypi.org/p/isimip-client
 
     permissions:
       id-token: write

README.md

@@ -4,13 +4,14 @@ isimip-client
 [![Latest release](https://img.shields.io/pypi/v/isimip-client.svg?style=flat)](https://pypi.python.org/pypi/isimip-client/)
 [![Python Version](https://img.shields.io/badge/python->=3.8-blue)](https://www.python.org/)
 [![License](https://img.shields.io/github/license/ISI-MIP/isimip-client?style=flat)](https://github.com/rdmorganiser/isimip-client/blob/main/LICENSE)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.18460227.svg)](https://doi.org/10.5281/zenodo.18460227)
 
 A *thin* client library to use the API of the [ISIMIP repository](https://data.isimip.org) using Python.
 
 Setup
 -----
 
-The library is written in Python (> 3.9) uses only dependencies, which can be installed without administrator priviledges. The installation of Python (and its developing packages), however differs from operating system to operating system. The installation of Python 3 for different plattforms is documented [here](https://github.com/ISI-MIP/isimip-utils/blob/master/docs/prerequisites.md).
+The library is written in Python (> 3.8) uses only dependencies, which can be installed without administrator priviledges. The installation of Python (and its developing packages), however differs from operating system to operating system. The installation of Python 3 for different plattforms is documented [here](https://github.com/ISI-MIP/isimip-utils/blob/master/docs/prerequisites.md).
 
 The library can be installed via pip. Usually you want to create a [virtual environment](https://docs.python.org/3/library/venv.html) first, but this is optional: