[Featured Onion] Add The Intercept onion site

Let's add The Intercept onion site here: https://community.torproject.org/onion-services/#featured-onions TI onion address: https://27m3p2uv7igmj6kvd4ql3cct5h3sdwrsajovkkndeufumzyfhlfev4qd.onion/

Announcement: https://27m3p2uv7igmj6kvd4ql3cct5h3sdwrsajovkkndeufumzyfhlfev4qd.onion/2021/04/28/tor-browser-onion/