Convert Uuid to a url friendly 22 character string blob
```rs
let uuid_str = "557c8018-5e21-4b74-8bb0-9040e2e8ead1";
println!("uuid_str: {}", uuid_str);
let blob = "VXyAGF4hS3SLsJBA4ujq0Q";
println!("blob: {}", blob);
let uuid = Uuid::parse_str(uuid_str).unwrap();
assert_eq!(uuid, blob.to_uuid().unwrap());
assert_eq!(blob, uuid.to_blob());
```
uuid | blob
c38ba949-491b-417d-b488-aa4748c13a00 | w4upSUkbQX20iKpHSME6AA
d1504e8e-dff6-4b9b-a0b1-50c447b5d1a4 | 0VBOjt_2S5ugsVDER7XRpA
8f5159c4-0438-45f1-a7e1-f30c84258082 | j1FZxAQ4RfGn4fMMhCWAgg
6aaf25bd-7d59-4331-87a1-4ddacf6aa52c | aq8lvX1ZQzGHoU3az2qlLA
95af4181-bbbc-4b0c-9d9a-c14fa0a18c65 | la9Bgbu8SwydmsFPoKGMZQ
2a317215-53fd-45de-95e9-f74c16a13b6a | KjFyFVP9Rd6V6fdMFqE7ag
8d2c25e2-73d6-4f4a-820a-f671c0991398 | jSwl4nPWT0qCCvZxwJkTmA
55458e6b-fcce-446e-884f-ca61a8fd7e9d | VUWOa_zORG6IT8phqP1-nQ