Add support for viewing photos in photo albums (#703)

## Description
Add support for viewing photos in photo albums

### Features
- Browse and view albums & photos
- View an album as a slideshow
- Show overlay with photo details and controls
- Rotate, zoom, & pan photos
- Apply basic filters to photos or albums such as contrast, saturation,
red/green/blue, etc
- Setting to include video clips during slideshows

### Controls
- D-Pad left or right: scroll between photos in album
- Hold D-Pad up or down: zoom in or out of the current photo
- D-Pad left/right/up/down, while zoomed: pan around photo
- Back, while zoomed: revert the zoom
- Otherwise: show photo overlay

### Related issues
Closes #458
Closes #634

### Screenshots
#### Overlay
![photo_overlay
Large](https://github.com/user-attachments/assets/b44ed876-d8bd-4f75-aa1e-4106c2edb2f7)

#### Applying filters
![photo_filters
Large](https://github.com/user-attachments/assets/1379978a-b27c-47ac-80af-f7bb6a2177df)

app/src/main/java/com/github/damontecres/wholphin/preferences/AppPreference.kt

@@ -903,6 +903,46 @@ sealed interface AppPreference<Pref, T> {
                 getter = { },
                 setter = { prefs, _ -> prefs },
             )
+
+        val SlideshowDuration =
+            AppSliderPreference<AppPreferences>(
+                title = R.string.slideshow_duration,
+                defaultValue = 5_000,
+                min = 1_000,
+                max = 30.seconds.inWholeMilliseconds,
+                interval = 250,
+                getter = {
+                    it.photoPreferences.slideshowDuration
+                },
+                setter = { prefs, value ->
+                    prefs.updatePhotoPreferences {
+                        slideshowDuration = value
+                    }
+                },
+                summarizer = { value ->
+                    if (value != null) {
+                        val seconds = value / 1000.0
+                        WholphinApplication.instance.resources.getString(
+                            R.string.decimal_seconds,
+                            seconds,
+                        )
+                    } else {
+                        null
+                    }
+                },
+            )
+
+        val SlideshowPlayVideos =
+            AppSwitchPreference<AppPreferences>(
+                title = R.string.play_videos_during_slideshow,
+                defaultValue = false,
+                getter = { it.photoPreferences.slideshowPlayVideos },
+                setter = { prefs, value ->
+                    prefs.updatePhotoPreferences { slideshowPlayVideos = value }
+                },
+                summaryOn = R.string.enabled,
+                summaryOff = R.string.disabled,
+            )
     }
 }
 
@@ -1015,6 +1055,8 @@ val advancedPreferences =
 //                    AppPreference.NavDrawerSwitchOnFocus,
                         AppPreference.ControllerTimeout,
                         AppPreference.BackdropStylePref,
+                        AppPreference.SlideshowDuration,
+                        AppPreference.SlideshowPlayVideos,
                     ),
             ),
         )

app/src/main/java/com/github/damontecres/wholphin/preferences/AppPreferencesSerializer.kt

@@ -128,6 +128,14 @@ class AppPreferencesSerializer
                                 imageDiskCacheSizeBytes =
                                     AppPreference.ImageDiskCacheSize.defaultValue * AppPreference.MEGA_BIT
                             }.build()
+
+                    photoPreferences =
+                        PhotoPreferences
+                            .newBuilder()
+                            .apply {
+                                slideshowDuration = AppPreference.SlideshowDuration.defaultValue
+                                slideshowPlayVideos = AppPreference.SlideshowPlayVideos.defaultValue
+                            }.build()
                 }.build()
 
         override suspend fun readFrom(input: InputStream): AppPreferences {
@@ -186,6 +194,11 @@ inline fun AppPreferences.updateAdvancedPreferences(block: AdvancedPreferences.B
         advancedPreferences = advancedPreferences.toBuilder().apply(block).build()
     }
 
+inline fun AppPreferences.updatePhotoPreferences(block: PhotoPreferences.Builder.() -> Unit): AppPreferences =
+    update {
+        photoPreferences = photoPreferences.toBuilder().apply(block).build()
+    }
+
 fun SubtitlePreferences.Builder.resetSubtitles() {
     fontSize = SubtitleSettings.FontSize.defaultValue.toInt()
     fontColor = SubtitleSettings.FontColor.defaultValue.toArgb()