Add badges to Zenodo and update CITATION file

Author: ashwinvis

Diff for: CITATION.cff

@@ -26,13 +26,13 @@ authors:
     given-names: Kjartan Thor
     orcid: 'https://orcid.org/0000-0002-1655-3676'
     email: [email protected]
-# identifiers:
+identifiers:
+  - type: doi
+    value: 10.5281/zenodo.14844443
+    description: Citeable archive in Zenodo
 #   - type: url
 #     value: 'https://enccs.github.io/hpda-python/'
 #     description: Rendered course material in HTML
-#   - type: doi
-#     value: 10.1234/zenodo.xxxxx
-#     description: Citeable archive in Zenodo
 repository-code: 'https://github.com/ENCCS/hpda-python'
 url: 'https://enccs.github.io/hpda-python/'
 abstract: >-
@@ -74,5 +74,5 @@ keywords:
   - pandas
   - dask
 license: CC-BY-4.0
-version: 2025.01.21
-date-released: '2025-01-21'
+version: 2025.02.10
+date-released: '2025-02-10'

Diff for: README.md

@@ -1,5 +1,7 @@
 # High-Performance Data Analytics in Python
 
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.14844443.svg)](https://doi.org/10.5281/zenodo.14844443)
+
 Teaching material for ENCCS workshop
 
 ## Credit and license

Diff for: content/index.rst

@@ -1,6 +1,9 @@
 High Performance Data Analytics in Python
 =========================================
 
+.. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.14844443.svg
+  :target: https://doi.org/10.5281/zenodo.14844443
+
 Scientists, engineers and professionals from many sectors are seeing an enormous 
 growth in the size and number of datasets relevant to their domains. 
 Professional titles have emerged to describe specialists working with data,