Recipe model record class added

src/main/java/ntnu/idatt2016/v233/SmartMat/model/Recipe.java

+package ntnu.idatt2016.v233.SmartMat.model;
+
+/**
+ * Recipe is a record class representing a recipe in the system.
+ *
+ * @author Anders
+ * @version 1.0
+ * @since 04.04.2023
+ *
+ * @param id
+ * @param name
+ * @param description
+ */
+public record Recipe(long id, String name, String description) {
+}