Create worker subdirectory for worker docker image

[tekenstam]

Is this a BUG REPORT or FEATURE REQUEST?: FEATURE

What happened: Currently there are multiple docker files in the root of the repo. This may be confusing for which docker file creates which image.

What you expected to happen:

1. Create new worker subdir
   • Move Dockerfile.worker and script for the worker image to this directory
2. Move Dockerfile to the controllers subdirectory
3. Update Makefile to reflect these changes

[z0rx0r]

I'll take this.

[z0rx0r]

➜ kube-forensics git:(feature/docker-subdir) git push origin feature/docker-subdir
ERROR: Permission to keikoproj/kube-forensics.git denied to z0rx0r.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

[tekenstam]

@z0rx0r Please fork this repo and submit your PR per our contribution guidelines.

https://github.com/keikoproj/kube-forensics/blob/master/.github/CONTRIBUTING.md

[AnShafs]

Sorry, I had to delete PR #14. It was committed with the wrong name and I couldn't pass the cla check.