rename External Reference to Reference

dmp-frontend/src/app/core/common/enum/source-type.ts

@@ -0,0 +1,4 @@
+export enum SourceType {
+	Internal = 0,
+	External = 1
+}

dmp-frontend/src/app/core/model/external-reference/external-reference.ts

@@ -1,3 +1,32 @@
+import { ExternalReferencesType } from "@app/core/common/enum/external-references-type";
+import { IsActive } from "@app/core/common/enum/is-active.enum";
+import { SourceType } from "@app/core/common/enum/source-type";
+import { UUID } from "crypto";
+import { DmpBlueprint } from "../dmp-blueprint/dmp-blueprint";
+
+export interface Reference {
+	id: UUID;
+    label: string;
+    type: ExternalReferencesType;
+    description: string;
+    definition: string;
+    reference: string;
+    abbreviation: string;
+    source: string;
+    sourceType: SourceType;
+    isActive: IsActive;
+    createdAt: Date;
+    updatedAt: Date;
+    dmpExternalReferences: DmpReference[];
+}
+
+export interface DmpReference {
+	id: UUID;
+    dmpBlueprint: DmpBlueprint;
+    externalReference: Reference;
+    data: string;
+}
+
 export interface FetcherExternalReference {
 	id: string;
     name: string;