renamed dis_org and added new hash_field

[Antsega]

Do not believe ready for merge due to the following below. Investigating further Tuesday 15th Aug

Log: s3://advana-data-zone/bronze/gamechanger/data-pipelines/orchestration/logs/crawler-downloader/Crawler-One-Off-Run.2023-08-14T21:19:01.log

++ Initiating downloader for samm_policy
Reading in previous manifest
1000 lines read in
...
Skipping download of DSCA_12-11 because it was in previous_hashes
Skipping download of DSCA_12-63 because it was in previous_hashes
Skipping download of DSCA_12-14 because it was in previous_hashes
Skipping download of DSCA_11-64 because it was in previous_hashes
Skipping download of DSCA_11-61 because it was in previous_hashes
Skipping download of DSCA_11-49 because it was in previous_hashes
Skipping download of DSCA_11-60 because it was in previous_hashes
Skipping download of DSCA_11-39 because it was in previous_hashes
Skipping download of DSCA_11-37 because it was in previous_hashes
Skipping download of DSCA_11-43 because it was in previous_hashes
Skipping download of DSCA_11-27 because it was in previous_hashes
Skipping download of DSCA_11-36 because it was in previous_hashes

[vat99]

lgtm