Add publish and deploy commands

[amcgee]

We should automate these operations:

• Publication to the App Hub (d2 app scripts publish)
• Deployment to a running DHIS2 instance (d2 app scripts deploy)

This is particularly important to facilitate continuous integration workflows.

[amcgee]

@varl have you already started implementing this?

[varl]

@amcgee No, I started working on the d2-ci deployment script so we can stop using Travis and move to GH Actions for applications.

[stale]

Hi!

Due to a lack of activity on this issue over time (180 days) it seems to be stale. If still relevant, please provide information that moves it forward, e.g. additional information, a pull request with suggested changes, or a reason to keep it open.

Any activity will keep it open, otherwise it will be closed automatically in 30 days. Thanks! 🤖

[amcgee]

We've implemented deploy (#451) but still need to finish implementing the publish command

[varl]

Superseded by: https://jira.dhis2.org/browse/LIBS-22