updated the readme and added the docker file

Author: alash3al

Dockerfile

@@ -0,0 +1,9 @@
+FROM golang:alpine
+
+RUN apk update && apk add git
+
+RUN go get github.com/RobustaStudio/bkit
+
+ENTRYPOINT ["bkit"]
+
+WORKDIR /root/

README.md

@@ -75,5 +75,16 @@ Demo
     </body>
 </html>
 ```
+> save that file as `demo.html`
+> then just run `bkit -html "demo.html" -https ":443" -http ":80" -server-name "bkit.domain.com"`
+> Point your facebook messenger webhook to `https://bkit.domain.com/messenger`
 
 Installation
+===============
+- Binaries ? go to [Releases Page](releases) and select your own distro/arch.
+- Docker ? `docker run --network host alash3al/bkit -html "demo.html" -https ":443" -http ":80" -server-name "bkit.domain.com"`
+- From Source ? `go get github.com/RobustaStudio/bkit`
+
+Credits
+==============
+Copyright 2018 (c) [Robustastudio](https://robustastudio.com)