add adgroup (#5)

Co-authored-by: Niall Brennan <[email protected]>

Author: niallzato

Sources/SegmentAppsFlyer/AppsFlyerDestination.swift

@@ -187,11 +187,12 @@ extension AppsFlyerDestination: AppsFlyerLibDelegate {
 
         if (firstLaunchFlag == 1) {
             if (status == "Non-organic") {
-                if let mediaSource = conversionInfo["media_source"] , let campaign = conversionInfo["campaign"]{
+                if let mediaSource = conversionInfo["media_source"] , let campaign = conversionInfo["campaign"], let adgroup = conversionInfo["adgroup"]{
 
                     let campaign: [String: Any] = [
                         "source": mediaSource,
-                        "name": campaign
+                        "name": campaign,
+                        "ad_group": adgroup
                     ]
                     let campaignStr = (campaign.compactMap({ (key, value) -> String in
                         return "\(key)=\(value)"