add getWaiting function to queue

types/bull/index.d.ts

@@ -425,6 +425,11 @@ declare namespace Bull {
      */
     getJob(jobId: JobId): Promise<Job>;
 
+    /**
+     * Returns a promise that will return an array with the waiting jobs between start and end.
+     */
+    getWaiting(start?: number, end?: number): Promise<Job[]>;
+
     /**
      * Returns a promise that will return an array with the active jobs between start and end.
      */