add option to disable user set colors

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

@@ -136,6 +136,7 @@
     <string name="preference_theme_light">Light</string>
     <string name="preference_theme_dark">Dark</string>
     <string name="preference_black_background_name">Black background in dark theme</string>
+    <string name="preference_disable_styles">Disable custom styling</string>
     <string name="preference_force_hrr">Force maximum refresh rate</string>
     <string name="preference_enable_redesign">✨ Enable UI refresh</string>