add ios social-app

ios/patching/021-social-app-ios-clean-feed.patch

@@ -0,0 +1,21 @@
+diff --git a/src/view/screens/Home.tsx b/src/view/screens/Home.tsx
+index e058e2883..e762b1418 100644
+--- a/src/view/screens/Home.tsx
++++ b/src/view/screens/Home.tsx
+@@ -39,6 +39,16 @@ import {NoFeedsPinned} from '#/screens/Home/NoFeedsPinned'
+ import * as Layout from '#/components/Layout'
+ import {useDemoMode} from '#/storage/hooks/demo-mode'
+ 
++const DEFAULT_PINNED_FEEDS = [{
++  feedDescriptor: 'following',
++  displayName: 'Following',
++  id: 'following',
++  type: 'feed',
++  savedFeed: undefined,
++  pinned: true,
++}]
++
++
+ type Props = NativeStackScreenProps<HomeTabNavigatorParams, 'Home' | 'Start'>
+ export function HomeScreen(props: Props) {
+   const {setShowLoggedOut} = useLoggedOutViewControls()