CORS
Get Bucket CORS Policy
r2.buckets.cors.get(strbucket_name, CORSGetParams**kwargs) -> CORSGetResponse
GET/accounts/{account_id}/r2/buckets/{bucket_name}/cors
Put Bucket CORS Policy
r2.buckets.cors.update(strbucket_name, CORSUpdateParams**kwargs) -> object
PUT/accounts/{account_id}/r2/buckets/{bucket_name}/cors
Delete Bucket CORS Policy
r2.buckets.cors.delete(strbucket_name, CORSDeleteParams**kwargs) -> object
DELETE/accounts/{account_id}/r2/buckets/{bucket_name}/cors