Arya Karhade enhanced the Aryakoste/mattermost repository by updating documentation to streamline contributor onboarding and align project guidelines with the Mattermost Handbook. Focusing on YAML-based configuration, Arya revised the bug report template and CONTRIBUTING.md, ensuring that new contributors have direct access to comprehensive resources and standardized processes. These changes improved the accessibility and clarity of contribution guidelines, reducing friction for external contributors and supporting faster triage of submissions. By linking updates to specific issues for traceability, Arya demonstrated attention to process improvement and governance alignment. The work emphasized documentation and contribution guidelines, resulting in measurable improvements to onboarding quality.