[parent] blob protocol

[hannahhoward]

Implementing the blob protocol
https://github.com/web3-storage/specs/blob/main/w3-blob.md

• capabilities and handlers for the blob protocol #45
• w3infra for for blob protocol #46
• implement blob/list + blob/remove #50
• client work for blob protocol #47
• integrate blobs with billing #48
• integrate blobs with read pipeline #49
• w3infra integration tests for blob #72

follow-ons:

• Improve naming in the blob spec specs#119
• blob/allocate should not have optional address specs#120

[reidlw]

perhaps a couple days to have PR ready

[vasco-santos]

Note: we moved from server work to support store/publish to server work to support bob protocol, which includes a flow that would be the "publish", while also put us in a better position for both rollout plan and ingest not only CAR files

[reidlw]

in progress by Vasco - ETA today or tomorrow

[hannahhoward]

IN PR storacha/w3up#1342