Added basic player methods

ios/App/Shared/util/ApiClient.swift

@@ -47,6 +47,13 @@ class ApiClient {
         ApiClient.postResource(endpoint: endpoint, parameters: [
             "forceTranscode": "true", // TODO: direct play
             "mediaPlayer": "AVPlayer",
-        ], decodable: PlaybackSession.self, callback: callback)
+        ], decodable: PlaybackSession.self) { obj in
+            var session = obj
+            
+            session.serverConnectionConfigId = Store.serverConfig.id
+            session.serverAddress = Store.serverConfig.address
+            
+            callback(session)
+        }
     }
 }

ios/App/Shared/util/PlayerEvents.swift

@@ -0,0 +1,13 @@
+//
+//  PlayerEvents.swift
+//  App
+//
+//  Created by Rasmus Krämer on 14.04.22.
+//
+
+import Foundation
+
+enum PlayerEvents: String {
+    case update = "com.audiobookshelf.app.player.update"
+    case closed = "com.audiobookshelf.app.player.closed"
+}