added example script

example.js

@@ -0,0 +1,14 @@
+var redmongo = require('./lib');
+
+var host = '127.0.0.1';
+var port = 27017;
+
+var server = new redmongo.Server(host, port);
+var db = new redmongo.Db('test', server, {safe:true});
+db.open(function(err, db){
+	db.collection('test', function(err, col){
+		col.findOne({test:true}, function(err, results){
+			console.dir(results);
+		    });
+	    });
+    });