copy common ts code over from browser repo

src/models/data/attachmentData.ts

@@ -0,0 +1,20 @@
+import { AttachmentResponse } from '../response/attachmentResponse';
+
+class AttachmentData {
+    id: string;
+    url: string;
+    fileName: string;
+    size: number;
+    sizeName: string;
+
+    constructor(response: AttachmentResponse) {
+        this.id = response.id;
+        this.url = response.url;
+        this.fileName = response.fileName;
+        this.size = response.size;
+        this.sizeName = response.sizeName;
+    }
+}
+
+export { AttachmentData };
+(window as any).AttachmentData = AttachmentData;