Update yalexs_ble documentation with autolock support

[pantherman594]

Proposed change

Updates the Yale Access Bluetooth integration documentation to include autolock support

Type of change

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logos and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase: Add auto lock support to Yale Access Bluetooth core#149912
• Link to parent pull request in the Brands repository:
• This PR fixes or closes issue: fixes #

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• The documentation follows the Home Assistant documentation standards.

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[Copilot]

Pull Request Overview

This PR adds documentation for the autolock feature in the Yale Access Bluetooth integration, describing how users can configure their locks to automatically lock after a set period.

• Documents new autolock mode and duration configuration options
• Notes the dependency on door sensor installation and calibration
• Adds a dedicated section explaining the autolock functionality

[Copilot]

This paragraph should be split into shorter sentences for better readability, and the list format should be considered for the configuration options. Consider: 'Some Yale and August locks support an autolock function that automatically locks the door after a set period. Where supported, you can configure this feature using the autolock mode and autolock duration options. For the autolock feature to work correctly, the door sensor must be installed and calibrated.'