Add integration of publication

src/app/models/image.ts

@@ -0,0 +1,7 @@
+import { title } from "process"
+
+export class Image {
+    title: string;
+    url: string;
+    format: string;
+}

src/app/models/publication.ts

@@ -1,8 +1,13 @@
+/* import { Image } from './image'; */
+
 export class Publication{
     publicationId:string;
     processId:string;
     title: string;
     description: string;
-    imageUrl:string;
     date: Date;
+    /* image: Image; */
+    imageTitle: string;
+    imageUrl:string;
+    imageFormat: string;
 }