https://velog.io/@minholee_93/Spring-Security-Google-Login-with-Spring-Security-JWT-1
https://www.callicoder.com/spring-boot-security-oauth2-social-login-part-1/ https://www.callicoder.com/spring-boot-security-oauth2-social-login-part-2/ https://www.callicoder.com/spring-boot-security-oauth2-social-login-part-3/