Add CITATION.cff file

CITATION.cff

@@ -0,0 +1,34 @@
+cff-version: 1.2.0
+message: "If you use this lesson material, please cite it using these metadata."
+authors:
+- name: "CodeRefinery"
+- family-names: "Bast"
+  given-names: "Radovan"
+- family-names: "Wikfeldt"
+  given-names: "Kjartan Thor"
+- family-names: "Hellsvik"
+  given-names: "Johan"
+- family-names: "Darst"
+  given-names: "Richard"
+- family-names: "Razick"
+  given-names: "Sabry"
+- family-names: "Pushpadas"
+  given-names: "Dhanya"
+- family-names: "Lindi"
+  given-names: "Bjørn"
+- family-names: "Pilstål"
+  given-names: "Robert"
+- family-names: "Alim Rasel"
+  given-names: "Annajiat"
+- family-names: "Suvilehto"
+  given-names: "Jyry"
+- family-names: "Fouilloux"
+  given-names: "Anne"
+title: "Collaborative distributed version control"
+type: "data"
+abstract: "This lesson builds on "Introduction to version control" and we apply branching and learn about pull requests (merge requests), forks, and collaboration using Git and GitHub."
+version: 2025-03-19
+date-released: 2025-03-19
+url: "https://coderefinery.github.io/git-collaborative/"
+license: CC-BY-4.0
+repository-code: "https://github.com/coderefinery/git-collaborative"

content/conf.py

@@ -18,8 +18,8 @@
 # -- Project information -----------------------------------------------------
 
 project = "Collaborative distributed version control"
-copyright = "CodeRefinery team"
-author = "CodeRefinery team"
+copyright = "CodeRefinery contributors"
+author = "CodeRefinery contributors"
 github_user = "coderefinery"
 github_repo_name = "git-collaborative"  # auto-detected from dirname if blank
 github_version = "main"