Use ssb.following() in the ssb app.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4590 ed5197a5-7fde-0310-b194-c3ffbd925b24

apps/ssb/app.js

@@ -30,6 +30,9 @@ tfrpc.register(async function getIdentities() {
 tfrpc.register(async function getAllIdentities() {
 	return ssb.getAllIdentities();
 });
+tfrpc.register(async function following(ids, depth) {
+	return ssb.following(ids, depth);
+});
 tfrpc.register(async function getBroadcasts() {
 	return ssb.getBroadcasts();
 });