Merge pull request #7 from Caramel1004/feature/#3

🎨 [#3][refactory] users를 userDetailsManager로 네이밍 변경

src/main/java/com/security/authentication/configuration/DataBaseConfig.java

@@ -30,7 +30,7 @@ public DataSource dataSource() {
      * UserDetailsManager는 UserDetailsService interface를 상속받은 interface 입니다.
      * */
     @Bean
-    UserDetailsManager users(DataSource dataSource) {
+    UserDetailsManager userDetailsManager(DataSource dataSource) {
         SpringSecurityConfig securityConfig = new SpringSecurityConfig();
         UserDetails user = User
                 .withUsername("user")