Rotate access log if larger than configured limit

[bjormel]

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[Copilot]

Pull Request Overview

This PR enhances the access logging documentation by adding comprehensive information about size-based log rotation capabilities. The changes provide detailed configuration options and practical guidance for implementing both time-based and size-based log rotation.

• Added a configuration options overview section listing key parameters
• Enhanced the log rotation explanation to include size-based triggers
• Added a complete new section documenting size-based rotation with examples and performance considerations

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