Dockerfile Please

[veerendra2]

Project maintainers, you can please add Dockerfile, I'm not a ruby person, but I like jekyll tool. It is very hard for find gems and other dependencies. Can you please create Dockerfile for local dev

[hfactor]

@veerendra2 : Even I am not a ruby person :(. I will try to get this done.

[gnuanu]

@veerendra2 This should work #16

[hfactor]

Thanks, @gnuanu for the docker file!