Create the skeleton of the account subproject

[nstarlike]

This account service project provides services related to account activities. This service serves users with checking their account list, checking the bank balance, depositing in their account and withdrawing from their bank account. To serve these functionalities to users we can use the Spring Boot and the Spring Cloud frameworks.

The following list show you what to do.

1. Create a Spring Boot project using Spring Initializr with the Maven option and Spring Web dependency.
2. Write a Controller class to test if an endpoint works.
3. Test the endpoint if it works correctly.

That's it!