Andrew Jong contributed to the castacks/AirStack repository by developing comprehensive documentation and improving deployment workflows. He authored the Norm Storage Tools Documentation and Setup Guide, detailing repository cloning, dependency installation, configuration, and environment setup, which streamlined onboarding and reduced configuration errors. Using Markdown and Bash, Andrew ensured the documentation was maintainable and versioned for future updates. In a separate effort, he enhanced the robustness of the Airstack setup process by making submodule initialization optional and adding error handling in Shell scripts, allowing deployments to proceed smoothly even when submodule updates failed. His work demonstrated depth in DevOps and system administration.