fix: insert first leaderboard data

server.js

@@ -87,7 +87,7 @@ io.sockets.on('connection', function(socket){
 		leaderBoards.find().sort({timeStamp:-1}).limit(1, function(err, docs){
 					
 					var parsedLb = JSON.parse(lb);
-					if( typeof docs[0] != "undefined" ){
+					if( docs.length ){
 						if(typeof docs[0].timeStamp != "undefined"){
 
 							if( parsedLb.timeStamp - docs[0].timeStamp > 600000){
@@ -99,6 +99,9 @@ io.sockets.on('connection', function(socket){
 						leaderBoards.insert(parsedLb);
 
 					}
+					if(err){
+						console.dir(err);
+					}
 		});
 		//