Andre-Franco1/appointment-java

AI Summary: This issue is about creating the core domain model classes and their associated data access repositories. Initial setup, including the creation of a `data.sql` script for data population and a test runner to validate the model, has already been completed.

AI Summary: This issue requests the initial setup of a new project, specifying Java 17, Spring Boot 3.5.8, and H2 as the core technologies. It also defines the main folder structure to include `config`, `domain`, `dto`, and `web` directories.