Add iOS/iPad target with platform-adaptive UI

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

mlbTVOS/Services/MLBServerAPI.swift

@@ -1,9 +1,11 @@
 import Foundation
 
 actor MLBServerAPI {
+    static let defaultBaseURL = "https://ballgame.treytartt.com"
+
     let baseURL: String
 
-    init(baseURL: String = "http://10.3.3.11:5714") {
+    init(baseURL: String = defaultBaseURL) {
         self.baseURL = baseURL
     }