Add Entity, service and Repo

src/main/java/fr/eni/demo/bo/Facture.java

@@ -0,0 +1,29 @@
+package fr.eni.demo.bo;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+import java.util.Date;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+@ToString
+@Builder
+
+@Entity
+@Table(name="Facture")
+public class Facture {
+
+  @Id
+  @GeneratedValue(strategy = GenerationType.IDENTITY)
+  @Column(name = "FACTURE_ID")
+  private Long id;
+
+  @Column(name = "PRICE")
+  private Double price;
+
+  @Column(name = "DATE_PAY")
+  private Date datePay;
+}