Fully dockerize project into a single, executable container

[dionjwa]

Fully dockerize stack into a single container, and add some extra CLI args to call the prediction process and get output.

See the bottom of the README to build and test.

[dionjwa]

If you want the docker container automatically built and hosted whenever you make changes, follow these instructions: https://docs.docker.com/docker-hub/builds/#create-an-automated-build

[dionjwa]

btw this image is huge, and it's likely it can be optimized in size, but this is a first pass