Feat/car streams

[chunningham]

Description

Implements carv1 and v2 formats in a streaming fashion, to and from implementers of AsyncWrite and AsyncRead. Both v1 and v2 are implemented as v2 extends v1. It's main functions are write_carv1 for writing a stream of blocks into an AsyncWrite and stream_carv1 for converting an AsyncRead into a stream of blocks. the CarV2 impl still needs some implementation for doing the offsets and index.

Type

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Diligence Checklist

(Please delete options that are not relevant)

• This change requires a documentation update
• I have included unit tests
• I have updated and/or included new integration tests
• I have updated and/or included new end-to-end tests
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules