feat: add styles_xml task support

Author: Murat

src/__tests__/mocks/mockStylesXmlTemplate.ts

@@ -0,0 +1,11 @@
+// noinspection HttpUrlsUsage
+export const mockStylesXmlTemplate = `<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+        <!-- Customize your theme here. -->
+        <item name="android:editTextBackground">@drawable/rn_edit_text_material</item>
+    </style>
+
+</resources>
+`;