document enabling camera/microphone indicators

static/features.html

@@ -113,6 +113,8 @@
                     makes them inactive so that they can't continue running code while using
                     another profile and purges the disk encryption keys (which are per-profile)
                     from memory and hardware registers</li>
+                    <li>Indicators for active camera and microphone usage are enabled by default
+                    alongside the traditional location indicator</li>
                     <li>Support longer passwords by default without a device manager</li>
                     <li>Stricter implementation of the optional fingerprint unlock feature permitting
                     only 5 attempts rather than 20 before permanent lockout (our recommendation is