* feature(store): add basic implementation of a zip store

* add zip store to array/group/sharding tests

* fix sharding and skip tests that require delete

* store context managers

* fix test typing

* add buffer_cls to store test

* clean up test failures

* class docstring

* remove commented out check against zipstore.delete

* add api integration test

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Co-authored-by: Davis Bennett <[email protected]>