server/runtime_go: add missing argument to LeaderboardRecordWrite doc (…

…heroiclabs#1038)

server/runtime_go_nakama.go

@@ -2331,6 +2331,7 @@ func (n *RuntimeGoNakamaModule) LeaderboardRecordsList(ctx context.Context, id s
 // @param score(type=int640) The score to submit.
 // @param subscore(type=int640) A secondary subscore parameter for the submission.
 // @param metadata(type=map[string]interface{}) The metadata you want associated to this submission. Some good examples are weather conditions for a racing game.
+// @param overrideOperator(type=*int) An override operator for the new record. The accepted values include: 0 (no override), 1 (best), 2 (set), 3 (incr), 4 (decr). Passing nil is the same as passing a pointer to 0 (no override), which uses the default leaderboard operator.
 // @return record(*api.LeaderboardRecord) The newly created leaderboard record.
 // @return error(error) An optional error value if an error occurred.
 func (n *RuntimeGoNakamaModule) LeaderboardRecordWrite(ctx context.Context, id, ownerID, username string, score, subscore int64, metadata map[string]interface{}, overrideOperator *int) (*api.LeaderboardRecord, error) {