### Search before asking - [x] I searched in the [issues](https://github.com/alibaba/fluss/issues) and found nothing similar. ### Description Introduce a command line tool framework which provides 1. Interface for implement a new command. 2. automatically register command. 3. unified output style. ### Willingness to contribute - [x] I'm willing to submit a PR!
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Description
Introduce a command line tool framework which provides
Willingness to contribute