Adding metadata to leaderboards API

Author: bottosson

Runtime/Game/LootLockerSDKManager.cs

@@ -1862,7 +1862,7 @@ public static void GetScoreListOriginal(int leaderboardId, int count, int after,
             LootLockerAPIManager.GetScoreList(request, onComplete);
         }
 
-        public static void SubmitScore(string memberId, int score, int leaderboardId, Action<LootLockerSubmitScoreResponse> onComplete)
+        public static void SubmitScore(string memberId, int score, int leaderboardId, Action<LootLockerSubmitScoreResponse> onComplete, string metadata = "")
         {
             if (!CheckInitialized())
             {
@@ -1877,6 +1877,8 @@ public static void SubmitScore(string memberId, int score, int leaderboardId, Ac
             LootLockerSubmitScoreRequest request = new LootLockerSubmitScoreRequest();
             request.member_id = memberId;
             request.score = score;
+            if (!string.IsNullOrEmpty(metadata))
+                request.metadata = metadata;
 
             LootLockerAPIManager.SubmitScore(request, leaderboardId.ToString(), onComplete);
         }

Runtime/Game/Requests/LeaderboardRequest.cs

@@ -17,6 +17,7 @@ public class LootLockerGetMemberRankResponse : LootLockerResponse
         public int rank { get; set; }
         public int score { get; set; }
         public LootLockerPlayer player { get; set; }
+        public string metadata { get; set; }
     }
 
     public class LootLockerPlayer
@@ -38,6 +39,7 @@ public class LootLockerLeaderboardMember
         public int rank { get; set; }
         public int score { get; set; }
         public LootLockerPlayer player { get; set; }
+        public string metadata { get; set; }
     }
 
     public class LootLockerGetScoreListResponse : LootLockerResponse
@@ -74,13 +76,17 @@ public class LootLockerSubmitScoreResponse : LootLockerResponse
         public string member_id { get; set; }
         public int rank { get; set; }
         public int score { get; set; }
+
+        public string metadata { get; set; }
     }
 
 
     public class LootLockerSubmitScoreRequest
     {
         public string member_id { get; set; }
         public int score { get; set; }
+
+        public string metadata { get; set; }
     }
 
     public class LootLockerGetMemberRankRequest