Add @objc and docstrings to CrossDeviceParameterConfiguration

Sources/Snowplow/Tracker/CrossDeviceParameterConfiguration.swift

@@ -12,26 +12,21 @@
 //  language governing permissions and limitations there under.
 
 import Foundation
-
-/// 
+
 /// Configuration object for ``TrackerController/decorateLink``
-///
-/// Whether to include the following values when decorating a link:
-/// - `sessionId`: Value of ``SessionController.sessionId``
-/// - `subjectUserId`: Value of ``Subject.userId``
-/// - `sourceId`: Value of ``Tracker.appId``
-/// - `platform`: Value of ``Tracker.platform``
-/// - `reason`:  Optional identifier/information for cross-navigation
-///
-/// ``sourceId`` and ``sessionId`` are enabled by default.
-public class CrossDeviceParameterConfiguration : NSObject {
-    var sessionId: Bool
-    var subjectUserId: Bool
-    var sourceId: Bool
-    var sourcePlatform: Bool
-    var reason: String?
+@objc public class CrossDeviceParameterConfiguration : NSObject {
+    /// Whether to include the value of ``SessionController.sessionId`` when decorating a link (enabled by default)
+    @objc var sessionId: Bool
+    /// Whether to include the value of ``Subject.userId`` when decorating a link
+    @objc var subjectUserId: Bool
+    /// Whether to include the value of ``Tracker.appId``  when decorating a link (enabled by default)
+    @objc var sourceId: Bool
+    /// Whether to include the value of ``Tracker.platform`` when  decorating a link
+    @objc var sourcePlatform: Bool
+    /// Optional identifier/information for cross-navigation
+    @objc var reason: String?
 
-    init(
+    @objc init(
         sessionId: Bool = true,
         subjectUserId: Bool = false,
         sourceId: Bool = true,