Add splash screen preview and upload/delete

src/strings/en-us.json

@@ -194,6 +194,7 @@
     "CriticRating": "Critics rating",
     "Cursive": "Cursive",
     "Custom": "Custom",
+    "CustomSplashScreenSize": "Custom images should be in a 16x9 aspect ratio at a minimum size of 1920x1080.",
     "CustomSubtitleStylingHelp": "Subtitle styling will work on most devices, but comes with an additional performance overhead.",
     "DailyAt": "Daily at {0}",
     "Data": "Data",
@@ -208,6 +209,7 @@
     "Delete": "Delete",
     "DeleteEntireSeries": "Delete {0} Episodes",
     "DeleteAll": "Delete All",
+    "DeleteCustomImage": "Delete Custom Image",
     "DeleteDeviceConfirmation": "Are you sure you wish to delete this device? It will reappear the next time a user signs in with it.",
     "DeleteDevicesConfirmation": "Are you sure you wish to delete all devices? All other sessions will be logged out. Devices will reappear the next time a user signs in.",
     "DeleteImage": "Delete Image",
@@ -559,6 +561,9 @@
     "IgnoreDtsHelp": "Disabling this option may resolve some issues, e.g. missing audio on channels with separate audio and video streams.",
     "Illustrator": "Illustrator",
     "Image": "Image",
+    "ImageDeleteFailed": "Image deletion failed",
+    "ImageUploadCancelled": "Image upload cancelled",
+    "ImageUploadFailed": "Image upload failed",
     "Images": "Images",
     "ImportFavoriteChannelsHelp": "Only channels that are marked as favorite on the tuner device will be imported.",
     "Inker": "Inker",
@@ -1619,6 +1624,7 @@
     "UnsupportedPlayback": "Jellyfin cannot decrypt content protected by DRM but all content will be tried regardless, including protected titles. Some files may appear completely black due to encryption or other unsupported features, such as interactive titles.",
     "Up": "Up",
     "Upload": "Upload",
+    "UploadCustomImage": "Upload Custom Image",
     "UseCustomTagDelimiters": "Use custom tag delimiter",
     "UseCustomTagDelimitersHelp": "Split artist/genre tags with custom characters.",
     "UseDoubleRateDeinterlacing": "Double the frame rate when deinterlacing",
@@ -1757,7 +1763,7 @@
     "ThemeSong": "Theme Song",
     "ThemeVideo": "Theme Video",
     "EnableEnhancedNvdecDecoderHelp": "Enhanced NVDEC implementation, disable this option to use CUVID if you encounter decoding errors.",
-    "EnableSplashScreen": "Enable the splash screen",
+    "EnableSplashScreen": "Enable the splash screen image",
     "LabelVppTonemappingBrightness": "VPP Tone mapping brightness gain",
     "LabelVppTonemappingBrightnessHelp": "Apply brightness gain in VPP tone mapping. The recommended value is 16.",
     "LabelVppTonemappingContrast": "VPP Tone mapping contrast gain",