Add Achinese (ACE) to the language selector

app/src/main/res/values/settings_keys.xml

@@ -965,6 +965,7 @@
     <!--The next two arrays are set to change the app language-->
     <string-array name="app_language_code" translatable="false">
         <item>@string/default_localization_key</item>
+        <item>ace</item>
         <item>ar</item>
         <item>az</item>
         <item>ast</item>
@@ -1030,6 +1031,7 @@
     </string-array>
     <string-array name="app_language_name" translatable="false">
         <item>@string/systems_language</item>
+        <item>Basa Acèh</item>
         <item>العربية</item>
         <item>Azərbaycan dili</item>
         <item>Asturianu</item>