feat: in-app feedback widget, targeted questions, and dynamic mailing behavior

feat: Migrate email from Gmail SMTP to Resend HTTP API

Rebrand to PolicyEye, add CONTRIBUTING.md, deployment prep for HF Spaces + Vercel

refactor: project structure cleanup and core packaging

feat: enhance grievance pipeline with dynamic email & add robust error UI

feat: add and enable confirm email on signup and fixed the dockercompose failures on ci/cd

feat: Real-world Auth and Zero-Cost Transactional Emails