Create build scripts and basic CI/CD pipeline #14

📋 Description

Implement production build scripts and a first CI/CD pipeline to validate quality on each PR and main branch updates.

✅ Acceptance Criteria

• Build script generates production artifacts successfully.
• CI pipeline runs install, lint, test, and build steps.
• CI status is visible on pull requests.
• Pipeline fails on lint/test/build errors.

🔗 Prerequisite Issues

DoD

• One successful pipeline run on main.
• One intentionally failing run proves quality gate works.
• Pipeline config documented for team usage.
• Required checks enabled for PR merge.