I am not sure why the Basic Rules are not included with Roll20 as standard? They are freely available for use as long as you're not reselling them so there is no reason really why they cannot be included with the SRD rules on Roll20. Link direct from Wizards of the Coast <a href="https://dnd.wizards.com/articles/features/basicrules" rel="nofollow">https://dnd.wizards.com/articles/features/basicrules</a>