Fastapi Rebuild

1. 1.Project Setup
2. 2.Database Models with SQLAlchemy
3. 3.Jinja2 Templates
4. 4.Core CMS Routing
5. 5.Navigation & Site Structure
6. 6.Flexible Routing
7. 7.Admin Authentication
8. 8.Admin CRUD Interface
9. 9.Content Migration
10. 10.Going Live