[docs] Add DOI to documentation

Author: gipert

CITATION.cff

@@ -1,7 +1,7 @@
 cff-version: 1.2.0
 title: legend-pydataobj
-doi: FILLME
-date-released: 2024-01-01
+doi: https://doi.org/10.5281/zenodo.10592108
+date-released: 2024-01-30
 url: https://github.com/github-linguist/linguist
 message: "If you use this software, please cite it as below."
 authors:

README.md

@@ -10,9 +10,13 @@
 ![GitHub pull requests](https://img.shields.io/github/issues-pr/legend-exp/legend-pydataobj?logo=github)
 ![License](https://img.shields.io/github/license/legend-exp/legend-pydataobj)
 [![Read the Docs](https://img.shields.io/readthedocs/legend-pydataobj?logo=readthedocs)](https://legend-pydataobj.readthedocs.io)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.10592107.svg)](https://doi.org/10.5281/zenodo.10592107)
 
 This package provides a Python implementation of the LEGEND Data Objects (LGDO)
 and I/O to HDF5, including [Numba](https://numba.pydata.org/)-accelerated custom
 compression algorithms for particle detector signals. More documentation is
 available in the
 [LEGEND data format specification](https://legend-exp.github.io/legend-data-format-specs).
+
+If you are using this software, consider citing!
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.10592107.svg)](https://doi.org/10.5281/zenodo.10592107)

docs/source/index.rst

@@ -98,6 +98,7 @@ Next steps
 
    Source Code <https://github.com/legend-exp/legend-pydataobj>
    License <https://github.com/legend-exp/legend-pydataobj/blob/main/LICENSE>
+   Citation <https://doi.org/10.5281/zenodo.10592107>
    Changelog <https://github.com/legend-exp/legend-pydataobj/releases>
    developer