Add admin client

Author: making

authorization/src/main/resources/application.properties

@@ -35,5 +35,10 @@ spring.security.oauth2.authorizationserver.client.todo-frontend.registration.pos
 spring.security.oauth2.authorizationserver.client.todo-frontend.registration.redirect-uris=http://localhost:8080/login/oauth2/code/todo-frontend
 spring.security.oauth2.authorizationserver.client.todo-frontend.registration.scopes=openid,todo:read,todo:write
 spring.security.oauth2.authorizationserver.client.todo-frontend.require-authorization-consent=false
+spring.security.oauth2.authorizationserver.client.admin.registration.client-id=admin
+spring.security.oauth2.authorizationserver.client.admin.registration.client-secret={noop}changeme
+spring.security.oauth2.authorizationserver.client.admin.registration.client-authentication-methods=client_secret_basic
+spring.security.oauth2.authorizationserver.client.admin.registration.authorization-grant-types=client_credentials
+spring.security.oauth2.authorizationserver.client.admin.registration.scopes=todo:read,todo:write
 spring.security.user.name[email protected]
 spring.security.user.password=password