fix gitignore again

electron/node_modules/exponential-backoff/dist/backoff.d.ts

@@ -0,0 +1,9 @@
+import { IBackOffOptions, BackoffOptions } from "./options";
+export { BackoffOptions, IBackOffOptions };
+/**
+ * Executes a function with exponential backoff.
+ * @param request the function to be executed
+ * @param options options to customize the backoff behavior
+ * @returns Promise that resolves to the result of the `request` function
+ */
+export declare function backOff<T>(request: () => Promise<T>, options?: BackoffOptions): Promise<T>;