added crud for advertisement

pom.xml

@@ -118,6 +118,12 @@
                 </exclusion>
             </exclusions>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains</groupId>
+            <artifactId>annotations-java5</artifactId>
+            <version>RELEASE</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 
 	<build>

src/main/java/cat/udl/eps/softarch/demo/domain/Advertisement.java

@@ -0,0 +1,31 @@
+package cat.udl.eps.softarch.demo.domain;
+
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.validation.constraints.NotNull;
+import lombok.Getter;
+import lombok.Setter;
+
+@Setter
+@Getter
+@Entity
+public class Advertisement extends UriEntity<Long> {
+
+    // Getters y Setters
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @NotNull
+    private String title;
+
+    @NotNull
+    private String description;
+
+    @NotNull
+    private Double price;
+
+}

src/main/java/cat/udl/eps/softarch/demo/repository/AdvertisementRepository.java

@@ -0,0 +1,7 @@
+package cat.udl.eps.softarch.demo.repository;
+
+import cat.udl.eps.softarch.demo.domain.Advertisement;
+import org.springframework.data.repository.CrudRepository;
+
+public interface AdvertisementRepository extends CrudRepository<Advertisement, Long> {
+}