Add fileName property to models and update related components for file handling

jambotron-ui/src/app/modules/moderator-module/moderator-api.service.ts

@@ -19,12 +19,12 @@ export class ModeratorApiService {
     return this.http.get<Tutorial[]>(`${this.baseUrl}/tutorials`);
   }
 
-  getTutorial(id: string | null | undefined): Observable<Tutorial> {
-    return this.http.get<Tutorial>(`${this.baseUrl}/tutorial-get/${id}`);
+  getTutorial(fileName: string | null | undefined): Observable<Tutorial> {
+    return this.http.get<Tutorial>(`${this.baseUrl}/tutorial-get/${fileName}`);
   }
 
-  publish(id: any,data: any): Observable<any> {
-    return this.http.put(`${this.baseUrl}/tutorial-update/${id}`, data);
+  publish(fileName: any,data: any): Observable<any> {
+    return this.http.put(`${this.baseUrl}/tutorial-update/${fileName}`, data);
   }
 
 }