Pipluppp/DALI

AI Summary: Populate the DALI e-commerce database with sample data, including DALI products, customer accounts, admin accounts, addresses, and orders. This involves writing SQL INSERT statements for the `data.sql` script.

AI Summary: Refactor the inline CSS styles in the `header.html` file (and potentially other HTML files) of the DALI e-commerce Spring Boot application into separate, well-structured CSS files. This involves moving all inline styles into external CSS files, organizing the CSS for better readability and maintainability, and potentially improving the overall CSS structure according to best practices.