Internal:Audit/Charitable solicitation license

Wikimedia DC has a charitable solicitation license from Washington, DC.

DC requires us to have an address and we use the one at Cove.

Some source info:
 * https://www.cogencyglobal.com/charitable-solicitation-registration?gclid=EAIaIQobChMI5YupyYbo3AIV3ouzCh1VlAhzEAAYASAAEgKRyvD_BwE
 * https://dcra.dc.gov/service/register-and-license-non-profit-organization