Link to additional security protections (#17733)

Tor Browser has HTTPS Everywhere to protect from the 3rd relay.

wiki/src/about.html

@@ -218,6 +218,7 @@
     <ul>
       <li>[[Why does Tails use Tor?|doc/about/tor]]</li>
       <li>[[Viewing the status and circuits of Tor|doc/anonymous_internet/tor_status]]</li>
+      <li>[[Browsing the web with Tor Browser|doc/anonymous_internet/Tor_Browser]]</li>
     </ul>
   </div>