add example to README

Author: gkorland

README.md

@@ -10,6 +10,24 @@
 # Example: Using the JavaScript Client
 
 ```javascript
-
+let graph = new RedisGraph('social');
+graph
+.query("CREATE (:person{name:'roi',age:32})")
+.then( () => {
+	return graph.query("CREATE (:person{name:'amit',age:30})");
+})
+.then( () => {
+	return graph.query("MATCH (a:person), (b:person) WHERE (a.name = 'roi' AND b.name='amit') CREATE (a)-[knows]->(a)")
+})
+.then( () => {
+	return graph.query("MATCH (a:person)-[knows]->(:person) RETURN a")
+})
+.then( (res) => {
+	while(res.hasNext()){
+		let record = res.next();
+		console.log(record.getString('a.name'));
+	}
+	console.log(res.getStatistics().queryExecutionTime());
+});
 
 ```