b6a4f50 Docuemnt modular rules approved in fesco#2406

Authored and Committed by churchyard 3 years ago
    Docuemnt modular rules approved in fesco#2406
    
    The rules have been approved in https://pagure.io/fesco/issue/2406
    
    The rules are reworded to use the MUST NOT/MAY/SHOULD language.