Rate limit error reporting

[jgresham]

Feature details

Use MIT licensed https://www.npmjs.com/package/function-rate-limit and rate limit error logs sent to Sentry. That way one client (user) doesn't use all of our Sentry free-tier quota.

[arionrefat]

@jgresham I want to work on this one as well. Can you assign it to me?

[arionrefat]

Hey @jgresham , I have sent the PR here #694. Can you please check?