Implementing AirplaneTypeRepository

core/src/main/java/cz/muni/fi/pa165/core/data/repository/airplanetype/AirplaneTypeRepository.java

+package cz.muni.fi.pa165.core.data.repository.airplanetype;
+
+import cz.muni.fi.pa165.core.data.domain.AirplaneType;
+import cz.muni.fi.pa165.core.data.repository.common.BaseRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+
+@Repository
+public interface AirplaneTypeRepository extends BaseRepository<AirplaneType, Long> {
+
+    Optional<AirplaneType> findByName(String name);
+}