Add loop::run to usage example

WyriHaximus · WyriHaximus · commit 28ffecf35d56 · 2017-08-02T07:58:01.000+02:00
diff --git a/README.md b/README.md
@@ -34,6 +34,8 @@ $client->channel('channel_name')->subscribe(
         echo 'Done!', PHP_EOL;
     }
 );
+
+$loop->run();
 ```
 
 For more examples see the [examples directory](examples).

Original file line number	Diff line number	Diff line change
`@@ -34,6 +34,8 @@ $client->channel('channel_name')->subscribe(`
`34`	`34`	`echo 'Done!', PHP_EOL;`
`35`	`35`	`}`
`36`	`36`	`);`
	`37`	`+`
	`38`	`+$loop->run();`
`37`	`39`	```
`38`	`40`
`39`	`41`	`For more examples see the [examples directory](examples).`