Add missing @author in javadocs

winery/service/src/main/java/cz/muni/fi/pa165/winery/services/mappers/user/UserEntityMapper.java

@@ -6,6 +6,10 @@ import cz.muni.fi.pa165.winery.services.mappers.EntityMapperImpl;
 import org.modelmapper.ModelMapper;
 import org.springframework.stereotype.Service;
 
+/**
+ * @author Samuel Dudík
+ */
+
 @Service
 public class UserEntityMapper extends EntityMapperImpl<UserDto, User> {
     public UserEntityMapper() {

winery/service/src/main/java/cz/muni/fi/pa165/winery/services/mappers/user/UserRoleEntityMapper.java

@@ -6,6 +6,10 @@ import cz.muni.fi.pa165.winery.services.mappers.EntityMapperImpl;
 import org.modelmapper.ModelMapper;
 import org.springframework.stereotype.Service;
 
+/**
+ * @author Samuel Dudík
+ */
+
 @Service
 public class UserRoleEntityMapper extends EntityMapperImpl<UserRoleDto, UserRole> {
     public UserRoleEntityMapper() {

winery/service/src/main/java/cz/muni/fi/pa165/winery/services/user/UserRoleServiceImpl.java

@@ -11,6 +11,10 @@ import org.springframework.stereotype.Service;
 import java.util.List;
 import java.util.stream.Collectors;
 
+/**
+ * @author Samuel Dudík
+ */
+
 @Service
 public class UserRoleServiceImpl extends PersistenceServiceImpl<UserRoleDto, UserRole> implements UserRoleService {
     @Autowired

winery/service/src/main/java/cz/muni/fi/pa165/winery/services/user/UserServiceImpl.java

@@ -12,6 +12,10 @@ import org.springframework.stereotype.Service;
 import java.util.List;
 import java.util.stream.Collectors;
 
+/**
+ * @author Samuel Dudík
+ */
+
 @Service
 public class UserServiceImpl extends PersistenceServiceImpl<UserDto, User> implements UserService {
     @Autowired