API: url param to only fetch named endpoint

[bnjmnrsh]

If one endpoint fails, it would be good if there is any scale involved, if all endpoints didn't have to be re-queried to get the missing data. If an endpoint fails, then the app can try to reload just that one endpoint.

• Check for URL params that match any of the named endpoints in our array, and just return this.

  • invalidate cache for that lat/lon query

• If one endpoint fails, we should immediately invalidate Cloudflare caching of that lat/lon query.