refactor(frontend): 🚧 Migrate Dashboard to Nuxt

Add API and Functinality for Admin Dashboard. Stills needs to clean-up. See // TODO's

frontend/api/class-interfaces/upload.ts

@@ -0,0 +1,7 @@
+import { BaseAPI } from "./_base";
+
+export class UploadFile extends BaseAPI {
+  file(url: string, fileObject: any) {
+    return this.requests.post(url, fileObject);
+  }
+}