feat: Content Management System

[bryanwills]

Phase 3: CMS Implementation

Requirements

• Admin dashboard for content management
• User authentication and authorization
• Content editing interface
• Media upload and management
• Version control for content
• Preview functionality

Technical Implementation

• Authentication system
• Admin dashboard
• Rich text editor
• Media library
• Content versioning
• Preview system

Acceptance Criteria

• User authentication
• Admin dashboard
• Content editor
• Media management
• Version control
• Preview functionality
• Role-based access control