docs: update workload autoscaler docs

[Vacant2333]

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Project	Deployment	Preview	Comments	Updated (UTC)
docs	Ready	Preview	Comment	Sep 18, 2025 7:13am

[Copilot]

Pull Request Overview

This PR updates the documentation for the Workload Autoscaler with improved clarity and additional configuration details. The updates provide better guidance on resource management, update operations, and system limitations.

Key changes include:

• Enhanced explanation of minimum resource thresholds and resource limit recommendations
• Added documentation for the Update/Evict Limiter configuration with environment variables
• Improved formatting and clarity for InPlace update mode limitations and memory handling

Reviewed Changes

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

File	Description
recommendation_policy.mdx	Updated resource limit guidance and added minimum threshold documentation
installation.mdx	Added new section on configuring the Update/Evict Limiter with environment variables
best_practices_and_limitations.mdx	Improved formatting and clarity for memory limit handling and QoS class requirements
autoscaling_policy.mdx	Enhanced documentation for update resources, limit policies, and rolling update behavior

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