fix: update UserDao interface before merge

Author: midori-suzune

src/java/com/library/dao/UserDao.java

@@ -15,7 +15,12 @@
  * @author hieuchu
  */
 public interface UserDao {
+
       List<User> getALLUser();     
+
+  
+//      boolean checkLogin(String username,String pass);
+
 
       boolean checkUserExistence(String username);