feat: clent tag ratelimit

[JimMoen]

No description provided.

[Copilot]

Pull Request Overview

This PR introduces client tagging and group-based rate limiting functionality to EMQX version 4.4.33. The feature enables administrators to categorize clients into different groups and apply differentiated rate limiting policies based on client tags assigned through HTTP authentication responses.

• Added comprehensive documentation for the new client tag management module
• Enhanced rate limiting documentation with improved mathematical formulations
• Updated navigation structure to include the new module

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
zh_CN/modules/client_tag.md	Comprehensive Chinese documentation for the new client tag management feature
en_US/modules/client_tag.md	Complete English documentation for the client tag management feature
zh_CN/advanced/rate-limit.md	Enhanced Chinese rate limiting documentation with improved mathematical notation
en_US/advanced/rate-limit.md	Updated English rate limiting documentation with clearer explanations and proper formatting
directory_ee.json	Added navigation entry for the new client tag management module

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