Watcher 2.0 with WebHooks API

[pan261]

https://forge.autodesk.com/en/docs/webhooks/v1/developers_guide/overview/

[pan261]

Need to use ngrok or some other tool to make local port accessible through web.

Every time ngrok is started, a new hostname is assigned, and this needs to be changed in the config, rebuild docker containers

Newest commit on branch #16-watcher2.0 adds command npm run docker:build that should do this automatically

[pan261]

Webhook responses are IncomingMessage types in NodeJS, must be parsed as so.
Webhooks should only need to created once, and updates should be made when access tokens expire.

[pan261]

Webhooks IncomingMessage response does not come with object storage location, downloader should be refactored to get the object storage location from the object ID