implement creating files.

frontend/src/network/uploading.ts

@@ -0,0 +1,10 @@
+import {Response} from "./models.ts";
+
+class UploadingManager {
+  async addTask(file: File, resourceID: number, storageID: number, description: string): Promise<Response<void>> {
+    // TODO: implement this
+    throw new Error("Not implemented");
+  }
+}
+
+export const uploadingManager = new UploadingManager();