epic(deployment-security): Deployment and security setup

[LinnJS]

Description

Ensure the mentorship application is securely deployed with role-based access control, encrypted data handling, and CI/CD pipelines for reliable builds and updates.

User Stories

• As a developer, I want a CI/CD pipeline that automates testing and deployment so that builds are reliable and consistent.
• As a user, I want my data to be encrypted so that my personal information is secure.
• As an admin, I want role-based access control so that users have appropriate permissions and access levels.

Child Issues

• feat(deployment): Configure hosting and CI/CD pipeline #32
• feat(security): Implement role-based access control (RBAC) #33
• feat(security): Encrypt sensitive user data #34
• feat(deployment): Deploy database for preview #52
• feat(deployment): Deploy database for produciton #53

Acceptance Criteria

• Frontend and backend are deployed using scalable platforms.
• Role-based access control restricts features and permissions appropriately.
• Sensitive user data is encrypted and securely handled.