Rocket and Rocket-API with SeaORM example app

1. Modify the url var in api/Rocket.toml to point to your chosen database (or leave it as-is to use in-memory SQLite)

2. If not using the SQLite DB: turn on the appropriate database feature for your chosen db in service/Cargo.toml (the "sqlx-postgres", line)

3. Execute cargo run to start the server

4. You can go to http://localhost:8000/swagger-ui/index.html to see the api documentation about this demo project.

5. Additionally, you can navigate to http://localhost:8000/rapidoc/index.html to see the rapidoc format for api documentation