feat(settings): add settings to adjust screen brightness when reading, closes #1532 (#2197)

apps/readest-app/src/services/nativeAppService.ts

@@ -348,6 +348,7 @@ export class NativeAppService extends BaseAppService {
   // orientation lock is not supported on iPad
   override hasOrientationLock =
     (OS_TYPE === 'ios' && getOSPlatform() === 'ios') || OS_TYPE === 'android';
+  override hasScreenBrightness = OS_TYPE === 'ios' || OS_TYPE === 'android';
   // CustomizeRootDir has a blocker on macOS App Store builds due to Security Scoped Resource restrictions.
   // See: https://github.com/tauri-apps/tauri/issues/3716
   override canCustomizeRootDir = process.env['NEXT_PUBLIC_DIST_CHANNEL'] !== 'appstore';