Migrate iOS plugin and example to use swift package manager

arcgis_map_sdk_ios/ios/.gitignore

@@ -35,4 +35,7 @@ Icon?
 
 /Flutter/Generated.xcconfig
 /Flutter/ephemeral/
-/Flutter/flutter_export_environment.sh
+/Flutter/flutter_export_environment.sh
+
+.swiftpm/
+Package.resolved

arcgis_map_sdk_ios/ios/arcgis_map_sdk_ios.podspec

@@ -12,10 +12,9 @@ A new Flutter project.
   s.homepage         = 'http://example.com'
   s.author           = { 'Your Company' => 'email@example.com' }
   s.source           = { :path => '.' }
-  s.source_files = 'Classes/**/*'
+  s.source_files = 'arcgis_map_sdk_ios/Sources/**/*'
   s.dependency 'Flutter'
-  s.dependency 'ArcGIS-Runtime-Toolkit-iOS'
-  s.platform = :ios, '13.0'
+  s.platform = :ios, '16.0'
 
   # Flutter.framework does not contain a i386 slice.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }

arcgis_map_sdk_ios/ios/arcgis_map_sdk_ios/Package.swift

@@ -0,0 +1,25 @@
+// swift-tools-version: 5.9
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "arcgis_map_sdk_ios",
+    platforms: [
+        .iOS("16.0")
+    ],
+    products: [
+        .library(name: "arcgis-map-sdk-ios", targets: ["arcgis_map_sdk_ios"])
+    ],
+    dependencies: [
+        .package(url: "https://github.com/Esri/arcgis-maps-sdk-swift",  .upToNextMinor(from: "200.7.0")),
+    ],
+    targets: [
+        .target(
+            name: "arcgis_map_sdk_ios",
+            dependencies: [
+                .product(name: "ArcGIS", package: "arcgis-maps-sdk-swift")
+            ]
+        ),
+    ]
+)

arcgis_map_sdk_ios/ios/Classes/SwiftArcgisMapPlugin.swift → arcgis_map_sdk_ios/ios/arcgis_map_sdk_ios/Sources/arcgis_map_sdk_ios/ArcgisMapPlugin.swift

@@ -2,12 +2,11 @@ import Flutter
 import UIKit
 import ArcGIS
 
-public class SwiftArcgisMapPlugin: NSObject, FlutterPlugin {
-
+public class ArcgisMapPlugin: NSObject, FlutterPlugin {
     public static func register(with registrar: FlutterPluginRegistrar) {
         registrar.register(ArcgisMapViewFactory(registrar: registrar), withId: "<native_map_view>")
 
-        let instance = SwiftArcgisMapPlugin()
+        let instance = ArcgisMapPlugin()
         let channel = FlutterMethodChannel(
                 name: "dev.fluttercommunity.arcgis_map_sdk",
                 binaryMessenger: registrar.messenger()