Worked on expanding the Nix User Repository (NUR) by integrating the artur-sannikov repository source, focusing on configuration management within the nix-community/NUR project. The approach involved updating the NUR configuration to include the new source, streamlining the process for future repository additions and reducing manual onboarding steps. Leveraging skills in Nix and configuration management, the work was captured in a single Git commit, ensuring traceability and clarity. This targeted feature enhanced the discoverability of new repositories for users and contributed to the maintainability of the NUR ecosystem, though the scope was limited to a single feature without bug fixes.