file response for CLI (#499)

node/src/cli/models/response/fileResponse.ts

@@ -0,0 +1,13 @@
+import { BaseResponse } from './baseResponse';
+
+export class FileResponse implements BaseResponse {
+    object: string;
+    data: Buffer;
+    fileName: string;
+
+    constructor(data: Buffer, fileName: string) {
+        this.object = 'file';
+        this.data = data;
+        this.fileName = fileName;
+    }
+}