Updated citation URLs

Necessary to add the home page URL via the `url` key and update the `repository-code` key sto point to the source code repository. link:https://github.com/citation-file-format/citation-file-format/blob/main/schema-guide.md#url[Details].

Milestone: patch

CITATION.cff

@@ -17,5 +17,6 @@ keywords:
  - automation
  - setup
  - recovery
-repository-code: https://alchemists.io/projects/mac_os
+repository-code: https://github.com/bkuhlmann/mac_os
 repository-artifact: https://alchemists.io/projects/mac_os
+url: https://alchemists.io/projects/mac_os