Add Docker support please

[alazare619]

I'm currently working on this If i can get it functioning ill send a pull request

[fjaros]

Thanks! That would be an awesome contribution. I'm not actively working on any additions to this project anymore but I'll gladly accept well thought out PRs.

Maybe share some details on what you plan to do? The docker support should be well decoupled from the existing maven binary build script. Perhaps creating a Makefile to create the docker container would be a good idea.

[nope0001]

I worked on this for the last few days, and kind of got it to work.
Initially I tried to use a Dockerfile that uses a maven image to build from source but failed, since I have no experience with maven or scala.
So I came up with another approach to build an image from the release package. Here is the repo
https://github.com/nope0001/wowchat-docker