- Added drizzle configuration for PostgreSQL connection.
- Created user schema for the 'demo' table in drizzle.
- Implemented database connection and user retrieval in drizzle integration.
- Added migration SQL for creating the 'demo' table.
- Updated user hooks to use server functions for login and signup.
- Refactored user-related functions to use drizzle ORM for database interactions.
- Updated routes to utilize new user management functions.