refactor: adopt UIScene lifecycle

feat: add initial support for pip

feat: add setting toggle for pip

fix: let os handle invokation of pip which is more reliable

fix: UIScene compatibility with airplay

fix: black screen on external display when on app view and streaming

fix: incorrect window size when launched directly on external display

fix: wrong resolution shown in settings when in stream session

Enable gamemode flag for iOS18+

Explicitly enters pip mode when in background

VoidLink/Limelight-Info.plist

@@ -2,6 +2,8 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
+	<key>GCSupportsGameMode</key>
+	<true/>
 	<key>CADisableMinimumFrameDuration</key>
 	<true/>
 	<key>CADisableMinimumFrameDurationOnPhone</key>
@@ -66,11 +68,36 @@
 	<string>Moonlight uses the device Gyro and Acceleration data to emulate motion controls when streaming.</string>
 	<key>UIApplicationSceneManifest</key>
 	<dict>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleExternalDisplay</key>
+			<array>
+				<dict>
+					<key>UISceneDelegateClassName</key>
+					<string>SceneDelegate</string>
+					<key>UISceneConfigurationName</key>
+					<string>External Display Configuration</string>
+				</dict>
+			</array>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>SceneDelegate</string>
+				</dict>
+			</array>
+		</dict>
 		<key>UIApplicationSupportsMultipleScenes</key>
-		<false/>
+		<true/>
 	</dict>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
+	<key>UIBackgroundModes</key>
+	<array>
+		<string>audio</string>
+	</array>
 	<key>UILaunchStoryboardName</key>
 	<string>Launch Screen</string>
 	<key>UIMainStoryboardFile</key>