chore: add medical technology repository

Author: AndreaGiulianelli

src/env/usecase/repository/MedicalTechnologyRepository.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2023. Smart Operating Block
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package usecase.repository;
+
+import entity.medicaltechnology.MedicalTechnology;
+import entity.medicaltechnology.MedicalTechnologyID;
+
+import java.util.Optional;
+
+/**
+ * Interface that models the repository to manage Medical Technologies.
+ */
+public interface MedicalTechnologyRepository {
+    /**
+     * Find a medical technology by its id and gets its data.
+     * @param medicalTechnologyID the id used to find the medical technology
+     * @return the medical technology data
+     */
+    Optional<MedicalTechnology> findBy(MedicalTechnologyID medicalTechnologyID);
+}