Displays list of books and their info from MySQL local database. Only allows authorized logged-in users to have permission to edit and add books
Start MySQL with: mysql -u root -p
Populate mysql database with commands: "source ..../db/ddl.sql", "source ..../sql/schema.sql", "source ..../sql/test-data.sql"
Run command: mvn spring-boot:run
Open localhost:8080/books