Create automated Chrome deploy script

[danfinlay]

[bdresser]

https://dev.to/gokatz/automate-your-chrome-extension-deployment-in-minutes-48gb

[bdresser]

when someone starts work on #3403 we should see if this is do-able / worth taking on as well?

[bdresser]

We don't need this in Sprint 17 - we've improved release process substantially @danjm @whymarrh