Rework storage structs, link preview

CHDataManagement/Model/Settings/LocalizedAudioPlayerSettings.swift

@@ -8,12 +8,21 @@ final class LocalizedAudioPlayerSettings: ObservableObject {
     init(playlistText: String) {
         self.playlistText = playlistText
     }
+}
 
-    init(file: LocalizedAudioPlayerSettingsFile) {
-        self.playlistText = file.playlistText
+// MARK: Storage
+
+extension LocalizedAudioPlayerSettings {
+
+    convenience init(data: Data) {
+        self.init(playlistText: data.playlistText)
     }
 
-    var file: LocalizedAudioPlayerSettingsFile {
+    var data: Data {
         .init(playlistText: playlistText)
     }
+
+    struct Data: Codable {
+        let playlistText: String
+    }
 }