adding readme

Author: Robert Kummer

README.md

@@ -9,3 +9,12 @@ Running with redis you can configure your `QUEUE_CONNECTION` environment variabl
 The default queue name in laravel is called `default`. So we configured the `QUEUE_NAME` environment variable to this value.
 
 If you want to use [Laravel Horizon](https://laravel.com/docs/5.5/horizon) then you have to set the environment `LARAVEL_HORIZON` to `true`. By default it is `false`.
+
+
+## Docker Images
+
+| php | docker image |
+| --- | ------------ |
+| 7.0 | ipunktbs/laravel-queue-worker:php7.0-v1.0 |
+| 7.1 | ipunktbs/laravel-queue-worker:php7.1-v2.0 |
+| 7.2 | ipunktbs/laravel-queue-worker:php7.2-v3.0 |