Playlists support

Model/Playlist.swift

@@ -0,0 +1,25 @@
+import Foundation
+import SwiftyJSON
+
+final class Playlist: Identifiable, ObservableObject, Equatable, Hashable {
+    let id: String
+    var title: String
+    var description: String
+
+    var videos = [Video]()
+
+    init(_ json: JSON) {
+        id = json["playlistId"].stringValue
+        title = json["title"].stringValue
+        description = json["description"].stringValue
+        videos = json["videos"].arrayValue.map { Video($0) }
+    }
+
+    static func == (lhs: Playlist, rhs: Playlist) -> Bool {
+        lhs.id == rhs.id
+    }
+
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(id)
+    }
+}