* Update docs to use kubectl long flags
* adding back in the --filename flag (lost when manually merged)
* notice a few missed
* notice a few missed '-f' flags
* change -o to --output
* Add a helloworld sample for haskell
* Use stack as the build tool
* Use scotty as a web framework
* Use docker multi-stage build to create a smaller runtime image
* Apply review comments on the README.md
* Apply language review comments
- Fix `service.yaml` indentation
- Change heading for sample code recreation