Build a skeleton of the auth project

[nstarlike]

The auth project is to authenticate and authorize clients which want to be provided the services from the backend. This project uses the OAuth2 authorization framework with Spring Authorization Server.

The following is the list you should follow to build a skeleton in order.

• Add the Spring Authorization Server dependency.
• Configure the server in the application.yml file for the OAuth2.
• Define required components which are
  SecurityFilterChain,
  UserDetailsService,
  RegisteredClientRepository,
  JWKSource,
  JwtDecoder,
  AuthorizationServerSettings.

And refer to the link, [Spring Authorization Server]https://docs.spring.io/spring-authorization-server/reference/getting-started.html
I'll wish you luck!