feat(arduino-cli): add completion spec

[lukejans]

arduino-cli completion spec

• arduino-cli documentation used for spec: link

[withfig-bot]

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[lukejans]

I have read the CLA Document and I hereby sign the CLA

[withfig-bot]

Overview

src/arduino-cli.ts:

Info:

[withfig-bot]

Hello @lukejans,
thank you very much for creating a Pull Request!
Here is a small checklist to get this PR merged as quickly as possible:

• Do all subcommands / options which take arguments include the args property (args: {})?
• Are all options modular? E.g. -a -u -x instead of -aux
• Have all other checks passed?

Please add a 👍 as a reaction to this comment to show that you read this.

[mschrage]

Hi @lukejans! Love this contribution, thanks for submitting - can you remove the yarn.lock file from this PR, so we can get this merged in?

[grant0417]

Spec looks good, one change I would suggest before merge is to remove all the example in description where it is the full CLI command. Left some comments as examples.

[grant0417]

LGTM, thanks!