[Feature]: Improve milvus cli

[xiaofan-luan]

Is there an existing issue for this?

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Is your feature request related to a problem? Please describe.

Description:
The Milvus Command Line Interface (CLI) serves as a convenient tool for users to interact with Milvus server, aiding in executing commands and managing the system directly from the terminal. However, there's room for improvement to make the CLI more powerful, user-friendly, and feature-rich. Here are several avenues that contributors could explore during Hacktoberfest:

Improved Error Handling and Messages:
Implement auto-completion and suggestion features to expedite command input and to assist users in recalling command syntax.

Enhanced Documentation and Help Command:
Expand the CLI documentation and the built-in help command to cover all functionalities, providing examples for each command to guide users.

New Functionalities:
Introduce new commands or options for existing commands to cover more functionalities of Milvus, making the CLI a more comprehensive tool.

Describe the solution you'd like.

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Describe an alternate solution.

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Anything else? (Additional Context)

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[khushChopra]

Hi @xiaofan-luan, is it possible to assign this issue to me?

[jiaoew1991]

/assign @khushChopra
Welcome

[khushChopra]

Hi, I won't be able to work on it because of personal reasons. Unassigned myself.

[jfgrea27]

Hi @jiaoew1991 , is this still available? I would like to work on this.

[iamvbenz49]

If nobody is working on this issue, I would like to work on this issue.

[xiaofan-luan]

/assign @iamvbenz49

please help on it