Can perform import / export - to / from FinancesManager from UI

moneymgr_web/src/api/BackupApi.ts

@@ -0,0 +1,23 @@
+import { APIClient } from "./ApiClient";
+
+export class BackupApi {
+  /**
+   * FinancesManager export
+   */
+  static get FinancesManagerExportURL(): string {
+    return APIClient.backendURL() + "/backup/finances_manager/export";
+  }
+
+  /**
+   * FinancesManager import
+   */
+  static async FinancesManagerImport(file: File): Promise<void> {
+    const fd = new FormData();
+    fd.append("file", file);
+    await APIClient.exec({
+      method: "POST",
+      uri: "/backup/finances_manager/import",
+      formData: fd,
+    });
+  }
+}