add readme

Author: vgrigoruk

README.md

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+[BrowserMob Proxy](https://hub.docker.com/r/vgrygoruk/browsermob-proxy/) docker image repo.
+
+![Automated](https://img.shields.io/docker/automated/vgrygoruk/browsermob-proxy.svg)
+![Status](https://img.shields.io/docker/build/vgrygoruk/browsermob-proxy.svg)
+![Pulls](https://img.shields.io/docker/pulls/vgrygoruk/browsermob-proxy.svg)
+[![](https://images.microbadger.com/badges/image/vgrygoruk/browsermob-proxy.svg)](https://microbadger.com/images/vgrygoruk/browsermob-proxy)
+
+More about BrowserMob Proxy here:
+
+  - [https://bmp.lightbody.net/](https://bmp.lightbody.net/)
+  - [https://github.com/lightbody/browsermob-proxy](https://github.com/lightbody/browsermob-proxy)
+
+
+## Usage
+
+With defaults: 
+
+```
+docker run -it -p 8080-8581:8080-8581 vgrygoruk/browsermobproxy
+```
+
+With bmp CLI args:
+
+```
+docker run -it -p 8080-8180:8080-8180 vgrygoruk/browsermobproxy -ttl 60 --port 8080 --proxyPortRange 8081-8180
+```