added CITATION.cff and DOI

CITATION.cff

@@ -0,0 +1,39 @@
+# This CITATION.cff file was generated with cffinit.
+# Visit https://bit.ly/cffinit to generate yours today!
+
+cff-version: 1.2.0
+title: FluPipe
+message: >-
+  If you use this software, please cite it using these
+  metadata.
+type: software
+authors:
+  - name: >-
+      Viroinformatics, Genome Competence Centre (MF1),
+      Robert Koch Institute
+    address: Nordufer 20
+    city: Berlin
+    country: DE
+    post-code: '13353'
+    website: 'https://www.rki.de/EN/Home/homepage_node.html'
+  - given-names: Katja
+    family-names: Winter
+    affiliation: Robert Koch Institute (RKI)
+  - given-names: Stephan
+    family-names: Fuchs
+    affiliation: Robert Koch Institute (RKI)
+  - given-names: Marie
+    family-names: Lataretu
+    affiliation: Robert Koch Institute (RKI)
+    orcid: 'https://orcid.org/0000-0002-3637-5870'
+  - given-names: Dimitri
+    family-names: Ternovoj
+    affiliation: Robert Koch Institute (RKI)
+identifiers:
+  - type: doi
+    value: 10.5281/zenodo.13684139
+    description: All versions of FluPipe
+repository-code: 'https://github.com/rki-mf1/FluPipe'
+keywords:
+  - Influenza
+  - genome reconstruction

README.md

@@ -1,6 +1,7 @@
 # FluPipe
 
 [![Twitter Follow](https://img.shields.io/twitter/follow/rki_de.svg?style=social)](https://twitter.com/rki_de)
+[![DOI](https://zenodo.org/badge/652663468.svg)](https://zenodo.org/doi/10.5281/zenodo.13684139)