implement barebones settings ui

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

@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+
     <style name="Theme.NoActionBar.Fullscreen" parent="@style/Theme.AppCompat.Light.NoActionBar">
         <item name="android:windowNoTitle">true</item>
         <item name="android:windowActionBar">false</item>
         <item name="android:windowFullscreen">true</item>
         <item name="android:windowContentOverlay">@null</item>
     </style>
+
     <style name="Theme.GeodeLauncher" parent="android:Theme.Material.Light.NoActionBar" />
 </resources>