chore: Test commit message (pingcap#9076)

close pingcap#9074

Boring change to test commit message by bot

Co-authored-by: wuhuizuo <wuhuizuo@126.com>

README.md

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 # TiFlash
 
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 ![tiflash-architecture](tiflash-architecture.png)
 
 [TiFlash](https://docs.pingcap.com/tidb/stable/tiflash-overview) is a columnar storage component of [TiDB](https://docs.pingcap.com/tidb/stable) and [TiDB Cloud](https://en.pingcap.com/tidb-cloud/), the fully-managed service of TiDB. It mainly plays the role of Analytical Processing (AP) in the Hybrid Transactional/Analytical Processing (HTAP) architecture of TiDB.