[NEW] Add 'red flag domains' connector

[AZOGg01]

Proposed changes

• addition of a new connector, for the red flag domains source, widely used in France

Control List

• [x] I consider the submitted work as finished
• [X] I tested the code for its functionality using different use cases
• [X] I added/update the relevant documentation (either on github or on notion)
• [X] Where necessary I refactored code to improve the overall quality

[V1D1AN]

Hi , Thanks for your connector. It works for me and my version 6.1.11 Thanks a lot