rename modules according to rules

server/src/main/whattocook/repositories/ItemRepository.java

@@ -0,0 +1,13 @@
+package whattocook.repositories;
+
+import org.springframework.data.repository.CrudRepository;
+import whattocook.models.Item;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+
+@Repository
+public interface ItemRepository extends CrudRepository<Item, Long> {
+    Optional<Item> findByName(String name);
+    Optional<Item> findByNameIgnoreCaseContaining(String name);
+}