React Native accessibility (#539)

* React Native accessibility

* First round of changes

* Latest update

* Checkpoint

* Wrap up

* Lint

* Remove unhelpful image hints

* Fix navigation

* Fix rebase and lint

* Mitigate an known issue with the password entry in login

* Fix composer dismiss

* Remove focus on input elements for web

* Remove i and npm

* pls work

* Remove stray declaration

* Regenerate yarn.lock

---------

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/view/com/pager/FeedsTabBarMobile.tsx

@@ -37,7 +37,10 @@ export const FeedsTabBar = observer(
         <TouchableOpacity
           testID="viewHeaderDrawerBtn"
           style={styles.tabBarAvi}
-          onPress={onPressAvi}>
+          onPress={onPressAvi}
+          accessibilityRole="button"
+          accessibilityLabel="Open navigation"
+          accessibilityHint="Access profile and other navigation links">
           <UserAvatar avatar={store.me.avatar} size={30} />
         </TouchableOpacity>
         <TabBar