Control algolia crawler and index settings from ci

[pokey]

The problem

Unfortunately, today, the source of truth for the Algolia search configuration lives in the Algolia web console, but in the future, we'd like to use these files as the source of truth and deploy them to Algolia in CI.

The solution

The crawler

We could fork https://github.com/algolia/algoliasearch-crawler-github-actions, and read the config from https://github.com/cursorless-dev/cursorless/blob/main/website/config/algolia/crawler-settings.js instead of using the config in https://github.com/algolia/algoliasearch-crawler-github-actions/blob/f0034f35d49b1e016fe00b285ded07c58c32b5bb/src/helpers.ts#L9.

The index settings

Could use probably use the api in https://www.algolia.com/doc/api-reference/api-methods/set-settings/