deploy

hi there,

Just installed latest versions of shipit packages and here's something new:

Running 'deploy:fetch' task...
Create workspace...
Workspace created: "/var/folders/s0/scv46d414cd28hyzsd5_pcrw0000gn/T/tmp-72206PXTF2WKB77Ro"
Initialize local repository in "/var/folders/s0/scv46d414cd28hyzsd5_pcrw0000gn/T/tmp-72206PXTF2WKB77Ro"
Running "git init" on local.
@ Initialized empty Gi

Cobra has a helper methods which can make shell completion a little nicer:

• MarkFlagFilename tells Cobra that the flag represents a filename. This tells the ko completion logic to generate helpers to match filenames. (e.g., ko apply -f <tab>)
• MarkFlagRequired t

(suggested by Berndinox in #205; been bugging me for a while too)

Currently, the Docker image exposes port 80. We should change this so that running Meli doesn't require root access.

We'll need to update the deployment docs.

Context
Test runner currently saves logs to the artifacts folder. (since game-ci/unity-test-runner#37) That way we can use test results reporter (which generates a html report)

Solution
Either we have to add a section to the readme, about how to run an additional action for producing the html report, or we should integrate the reporter in this action and s