docs: Add acknowledgment to README (#522)

* docs: Add acknowledgment to README

* docs: Address review comment
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Yingwen
2022-11-15 19:06:17 +08:00
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commit 57979c9d3d

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@@ -178,3 +178,9 @@ open contributions and allowing you to use the software however you want.
## Contributing
Please refer to [contribution guidelines](CONTRIBUTING.md) for more information.
## Acknowledgement
- GreptimeDB uses [Apache Arrow](https://arrow.apache.org/) as the memory model and [Apache Parquet](https://parquet.apache.org/) as the persistent file format.
- GreptimeDB's query engine is powered by [Apache Arrow DataFusion](https://github.com/apache/arrow-datafusion).
- [OpenDAL](https://github.com/datafuselabs/opendal) from [Datafuse Labs](https://github.com/datafuselabs) gives GreptimeDB a very general and elegant data access abstraction layer.
- GreptimeDBs meta service is based on [etcd](https://etcd.io/).