- https://github.com/gordonbrander/szdt/issues/7 Advantages: - Gives us a place to put `content-type` and other metadata - Read select metadata from CAR headers (e.g. content-type), use for HTTP headers Prior art: - IPFS gateways do some special stuff for [application/vnd.ipld.car](https://www.iana.org/assignments/media-types/application/vnd.ipld.car) - https://specs.ipfs.tech/http-gateways/trustless-gateway/#accept-request-header