Contributed to the phnx-im/infra repository by developing and integrating a comprehensive macOS Development Setup Guide into the project’s README. This addition introduced a dedicated 'Development' section outlining prerequisites, configuration steps, and run instructions, aimed at streamlining the onboarding process for macOS developers. The work focused on improving documentation clarity and establishing a reusable reference for future contributors, reducing ambiguity and accelerating setup times. Leveraged Markdown for documentation structure and Bash for illustrating configuration commands, while adhering to repository standards and Git-based collaboration practices. No bugs were reported or fixed during this period, with efforts concentrated on documentation and onboarding improvements.