Update doc for clang-format and clang-tidy and correct the inconsistency between the document description and the actual formatting behavior

[FrozenLemonTee]

No description provided.

[Copilot]

Pull request overview

This PR adds standalone documentation pages for the repository’s .clang-format and .clang-tidy configurations, and links them from the main README to make the style/tooling guidance easier to discover.

Changes:

• Added clang-format.md describing formatting rules with config snippets and examples.
• Added clang-tidy.md describing the enabled/disabled check sets and recommended usage.
• Updated README.md to link to the new configuration documentation.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
clang-tidy.md	New doc outlining the clang-tidy whitelist strategy, enabled check groups, and examples.
clang-format.md	New doc describing clang-format options with examples and a reference section.
README.md	Adds a “配置文件” section and links to the new docs.

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[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

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[Copilot]

Pull request overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

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