fix: android:forceDarkAllowed to values-v29/styles.xml in order to work with compile sdk 28

Author: Fatme

src/app-resources/_files/__name__/Android/values-v29/styles.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- Application theme -->
+    <style name="AppTheme" parent="AppThemeBase">
+        <item name="android:forceDarkAllowed">true</item>
+    </style>
+
+</resources>

src/app-resources/_files/__name__/Android/values/styles.xml

@@ -21,7 +21,6 @@
 
     <!-- theme to use AFTER launch screen is loaded-->
     <style name="AppThemeBase" parent="Theme.AppCompat.Light.NoActionBar">
-        <item name="android:forceDarkAllowed">true</item>
         <item name="toolbarStyle">@style/NativeScriptToolbarStyle</item>
 
         <item name="colorPrimary">@color/ns_primary</item>