feat: add comprehensive segment skip with all 5 types and settings submenu

- Add SegmentSkipMode type ('none', 'ask', 'auto') in settings.ts
- Create 5 segment skip settings: skipIntro, skipOutro, skipRecap, skipCommercial, skipPreview
- Update segments.ts to fetch all 5 segment types from Jellyfin MediaSegments API (10.11+)
- Create unified useSegmentSkipper hook supporting all segment types with 3 modes
- Update video player Controls.tsx with priority system (Commercial > Recap > Intro > Preview > Outro)
- Add dynamic skip button text in BottomControls.tsx
- Create dedicated settings submenu at settings/segment-skip/page.tsx
- Simplify PlaybackControlsSettings.tsx with navigation to submenu
- Extend DownloadedItem interface with all segment types for offline support
- Add 13+ translation keys for segment skip UI

components/video-player/controls/BottomControls.tsx

@@ -19,6 +19,7 @@ interface BottomControlsProps {
   currentTime: number;
   remainingTime: number;
   showSkipButton: boolean;
+  skipButtonText: string;
   showSkipCreditButton: boolean;
   hasContentAfterCredits: boolean;
   skipIntro: () => void;
@@ -67,6 +68,7 @@ export const BottomControls: FC<BottomControlsProps> = ({
   currentTime,
   remainingTime,
   showSkipButton,
+  skipButtonText,
   showSkipCreditButton,
   hasContentAfterCredits,
   skipIntro,
@@ -136,7 +138,7 @@ export const BottomControls: FC<BottomControlsProps> = ({
           <SkipButton
             showButton={showSkipButton}
             onPress={skipIntro}
-            buttonText='Skip Intro'
+            buttonText={skipButtonText}
           />
           {/* Smart Skip Credits behavior:
               - Show "Skip Credits" if there's content after credits OR no next episode