Automate icon additions to design system

[micahchiang]

Description

Adding an icon to our design system spritesheet is a relatively manual process right now: We get a request to add an icon, run it through this compile repo, and then add the newly generated spritesheet to component-library and vets-website.

We should build an app that automates all or part of this process so that designers or other members of DST can add new icons without the reliance of an engineer.

Considerations

• Maybe this is an electron app, some sort of github bot, or something else that generates a new spritesheet and automatically opens pull requests into the necessary repos.

[caw310]

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