feat: optimize the usage instructions of taosdump

[YamingPei]

Description

Optimize the usage instructions of taosdump

Checklist

Please check the items in the checklist if applicable.

• Is the user manual updated?
• Are the test cases passed and automated?
• Is there no significant decrease in test coverage?

[gemini-code-assist]

Summary of Changes

Hello @YamingPei, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on improving the user experience for taosdump by optimizing its usage instructions. The changes involve a comprehensive review and refinement of command-line option descriptions in both English and Chinese documentation, ensuring greater clarity and accuracy. Additionally, the underlying argument parsing logic has been updated to reflect these changes, including a refactoring of connection-related options for better understanding and consistency.

Highlights

• Documentation Clarity: Enhanced the descriptions and grammar for taosdump command-line options in both English and Chinese user manuals, ensuring greater precision and readability.
• Option Refactoring: Replaced the --connect-mode option with a more explicit --driver and clarified the relationship between --cloud and the new --dsn option for cloud service connections.
• Code Consistency: Updated the internal C code to align with the refined option descriptions and removed minor whitespace inconsistencies for improved code hygiene.

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[gemini-code-assist]

Code Review

This pull request optimizes the usage instructions for the taosdump tool. The changes clarify option descriptions, improve punctuation consistency, and replace the confusing --connect-mode option with a more user-friendly --driver option. The documentation in both English and Chinese is updated to reflect these changes, along with some code cleanup. Overall, these are good improvements to usability and documentation. I have one suggestion to further improve consistency in the documentation.