feat(connectivity_plus): Add Swift Package Manager support

packages/connectivity_plus/connectivity_plus/darwin/connectivity_plus.podspec

@@ -14,17 +14,12 @@ Downloaded by pub (not CocoaPods).
   s.author           = { 'Flutter Community Team' => '[email protected]' }
   s.source           = { :http => 'https://github.com/fluttercommunity/plus_plugins/tree/main/packages/connectivity_plus' }
   s.documentation_url = 'https://pub.dev/packages/connectivity_plus'
-  s.source_files = [
-    'Classes/**/*'
-  ]
-  s.public_header_files = [
-    'Classes/**/*.h'
-  ]
+  s.source_files = 'connectivity_plus/Sources/connectivity_plus/**/*.swift'
   s.ios.dependency 'Flutter'
   s.osx.dependency 'FlutterMacOS'
   s.ios.deployment_target = '12.0'
   s.osx.deployment_target = '10.14'
   s.swift_version = '5.0'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
-  s.ios.resource_bundles = {'connectivity_plus_privacy' => ['PrivacyInfo.xcprivacy']}
+  s.ios.resource_bundles = {'connectivity_plus_privacy' => ['connectivity_plus/Sources/connectivity_plus/PrivacyInfo.xcprivacy']}
 end

packages/connectivity_plus/connectivity_plus/darwin/connectivity_plus/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: "connectivity_plus",
+    platforms: [
+        .iOS("12.0"),
+        .macOS("10.14")
+    ],
+    products: [
+        .library(name: "connectivity-plus", targets: ["connectivity_plus"])
+    ],
+    dependencies: [],
+    targets: [
+        .target(
+            name: "connectivity_plus",
+            dependencies: [],
+            resources: [
+                .process("PrivacyInfo.xcprivacy"),
+            ]
+        )
+    ]
+)

packages/connectivity_plus/connectivity_plus/darwin/Classes/SwiftConnectivityPlusPlugin.swift → packages/connectivity_plus/connectivity_plus/darwin/connectivity_plus/Sources/connectivity_plus/ConnectivityPlusPlugin.swift

@@ -9,7 +9,7 @@ import Cocoa
 import FlutterMacOS
 #endif
 
-public class SwiftConnectivityPlusPlugin: NSObject, FlutterPlugin, FlutterStreamHandler {
+public class ConnectivityPlusPlugin: NSObject, FlutterPlugin, FlutterStreamHandler {
   private let connectivityProvider: ConnectivityProvider
   private var eventSink: FlutterEventSink?
 
@@ -35,7 +35,7 @@ public class SwiftConnectivityPlusPlugin: NSObject, FlutterPlugin, FlutterStream
       binaryMessenger: binaryMessenger)
 
     let connectivityProvider = PathMonitorConnectivityProvider()
-    let instance = SwiftConnectivityPlusPlugin(connectivityProvider: connectivityProvider)
+    let instance = ConnectivityPlusPlugin(connectivityProvider: connectivityProvider)
     streamChannel.setStreamHandler(instance)
 
     registrar.addMethodCallDelegate(instance, channel: channel)