Clarify that donations sent to our fiscal sponsors are used for Tails only
See https://twitter.com/kristovatlas/status/841014949400961025
Maybe that’s worth fixing on the donation page if it doesn’t take too much space.
Feature Branch: 451f:tails/feature/12335+clarify_donation_details
Parent Task: #12035 (closed)
Original created by @sajolida on 12335 (Redmine)