Update doc: resource management

[xuyaqist]

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The changes are documentation-only and the updated Markdown formatting appears consistent and correctly rendered.

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Pull request overview

This PR updates the “resource management” user guide docs (ZH/EN) to align the page title with the topic and improve Markdown table formatting so permission matrices render cleanly.

Changes:

• Renamed the document title from “User Management” to “Resource Management” (ZH/EN).
• Reformatted multiple Markdown tables (roles, tab access, and resource permission matrices) to remove indentation/spacing issues and improve readability.
• Removed a few stray blank/whitespace-only lines around section boundaries.

File summaries

File	Description
doc/docs/zh/user-guide/resource-management.md	Updates header and normalizes table formatting for RBAC/permission documentation (ZH).
doc/docs/en/user-guide/resource-management.md	Updates header and normalizes table formatting for RBAC/permission documentation (EN).

Review details

• Files reviewed: 2/2 changed files
• Comments generated: 0
• Review effort level: Lite

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