Create the skeleton of the card subproject.

[nstarlike]

This card service project provides services related to card activities. This service serves users with checking their cards and bills. For this project, we can use Spring Boot and Spring Cloud frameworks.

The following show you what to do.

1. Create a project using Spring Initializr with the Maven option and the Spring Web dependency for now.
2. Write a controller to test if it works.
3. Test the endpoint.

That's it!