Language settings updates, new primary language setting (#1471)

* move content languages to screen

* add dropdown library, style primary lang select

* update settings button

* show selected langauges in button

* use primary language in translator link

* update copy

* lint

src/view/screens/Settings.tsx

@@ -145,10 +145,9 @@ export const SettingsScreen = withAuthRequired(
       store.shell.openModal({name: 'invite-codes'})
     }, [track, store])
 
-    const onPressContentLanguages = React.useCallback(() => {
-      track('Settings:ContentlanguagesButtonClicked')
-      store.shell.openModal({name: 'content-languages-settings'})
-    }, [track, store])
+    const onPressLanguageSettings = React.useCallback(() => {
+      navigation.navigate('LanguageSettings')
+    }, [navigation])
 
     const onPressSignout = React.useCallback(() => {
       track('Settings:SignOutButtonClicked')
@@ -456,12 +455,12 @@ export const SettingsScreen = withAuthRequired(
             </Text>
           </TouchableOpacity>
           <TouchableOpacity
-            testID="contentLanguagesBtn"
+            testID="languageSettingsBtn"
             style={[styles.linkCard, pal.view, isSwitching && styles.dimmed]}
-            onPress={isSwitching ? undefined : onPressContentLanguages}
+            onPress={isSwitching ? undefined : onPressLanguageSettings}
             accessibilityRole="button"
-            accessibilityHint="Content languages"
-            accessibilityLabel="Opens configurable content language settings">
+            accessibilityHint="Language settings"
+            accessibilityLabel="Opens configurable language settings">
             <View style={[styles.iconContainer, pal.btn]}>
               <FontAwesomeIcon
                 icon="language"
@@ -469,7 +468,7 @@ export const SettingsScreen = withAuthRequired(
               />
             </View>
             <Text type="lg" style={pal.text}>
-              Content languages
+              Languages
             </Text>
           </TouchableOpacity>
           <TouchableOpacity