Dune-client

**Full Changelog**: https://github.com/cowprotocol/dune-client/compare/v0.2.1...v0.2.2-beta0

What's Changed
* Remove Redundant Tests by bh2smith in https://github.com/cowprotocol/dune-client/pull/41
* Implement FileIO.append (for CSV, JSON and NDJSON) by bh2smith in https://github.com/cowprotocol/dune-client/pull/44


**Full Changelog**: https://github.com/cowprotocol/dune-client/compare/v0.2.0...v0.2.1

Big highlights are the
1. AsyncDuneClient from eliseygusev
2. FileIO (for caching/storing dune results)

What's Changed
* Async client by eliseygusev in https://github.com/cowprotocol/dune-client/pull/31
* [Easy] Makefile & QueryParam.__repr__ by bh2smith in https://github.com/cowprotocol/dune-client/pull/35
* Add FileIO with write & load functionality by bh2smith in https://github.com/cowprotocol/dune-client/pull/36
* Refactor client; add tests for async usages by eliseygusev in https://github.com/cowprotocol/dune-client/pull/39

New Contributors
* eliseygusev made their first contribution in https://github.com/cowprotocol/dune-client/pull/31

**Full Changelog**: https://github.com/cowprotocol/dune-client/compare/v0.1.1...v0.2.0

Adding FileIO and also include AsyncDuneClient

Adding Async Client!

What's Changed
* Async client by eliseygusev in https://github.com/cowprotocol/dune-client/pull/31

New Contributors
* eliseygusev made their first contribution in https://github.com/cowprotocol/dune-client/pull/31

**Full Changelog**: https://github.com/cowprotocol/dune-client/compare/v0.1.1...v0.2.0-beta0