Description of the problem:

messageID should be messageId

How reproducible:

100%

Steps to reproduce:

1. visit https://github.com/janus-idp/backstage-plugins/blob/10ff2351a67bf78f441e2cf2fae024775142fe5c/plugins/notifications-backend/README.md

2. Request string: 
curl -X PUT 'http://localhost:7007/api/notifications/notifications/read?messageID=48bbf896-4b7c-4b68-a446-246b6a801000&read=true'
 
Should be: 
 
curl -X PUT 'http://localhost:7007/api/notifications/notifications/read?messageId=48bbf896-4b7c-4b68-a446-246b6a801000&read=true'
 
Actual results:

Expected results: