[Recorded Future] RF Integrate the code for Alerts and Playbook Alerts into the connector

[helene-nguyen]

Proposed changes

• Integrate the code for Alerts and Playbook Alerts into the connector
• Add possibility to chave priority alerts only
• Add environment variables in configuration files: config.yml.sample and docker-compose.yml

Related issues

• [Recorded Future] Integrate the code for Alerts into the connector #2574

Checklist

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

Further comments

In order to test it, you need to configure a Watch List, add your Alerting Rules in Recorded Future app and check Priority Alert