Manage favorited repos

[plyr4]

Description

Implement repo favorites management via the Vela CLI

Value

Offer the same functionality presented in the UI at / (home page) but via the CLI.
eg.
vela get favorites or update functionality for vela get repos
vela add favorite --org octocat --repo hello-world

Definition of Done

A user can manage favorites through the CLI

Effort (Optional)

2 days

Impacted Personas (Optional)

Users

[jbrockopp]

Hello 👋

The Vela admins have decided to condense all existing issues into a single repo found @ go-vela/community.

For a direct link to your counterpart issue in that repo, you can find it linked yesterday in the history of this issue.

If you have any questions, please feel free to direct them to the community repo.

Thanks for your input and feedback!