chore: Add llms.txt to documentation

[hjgraca]

Summary

Changes

Added missing requirements and run pip-compile.

This pull request introduces updates to documentation dependencies and configuration, primarily to integrate the mkdocs-llmstxt plugin and its associated resources.

Dependency Updates:

• Added mkdocs-llmstxt==0.2.0 to docs/requirements.in and docs/requirements.txt for generating additional documentation outputs. [1] [2]
• Included new dependencies in docs/requirements.txt to support Markdown and HTML processing:
  • beautifulsoup4==4.13.4 (via markdownify and mkdocs-llmstxt).
  • markdown-it-py==3.0.0 and mdurl==0.1.2 (via mdformat). [1] [2]
  • markdownify==1.1.0 (via mkdocs-llmstxt).
  • mdformat==0.7.22 (via mkdocs-llmstxt).
  • soupsieve==2.7 and typing-extensions==4.13.2 (via beautifulsoup4).

Configuration Changes:

• Updated mkdocs.yml to add a new "Resources" section in the navigation, linking to llms.txt and its full version.
• Configured the llmstxt plugin in mkdocs.yml with detailed settings, including descriptions, output paths, and categorized sections for documentation.

Minor Adjustments:

• Corrected Python version metadata in docs/requirements.txt to reflect Python 3.10 instead of 3.13.

Issue number: #3952

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[dreamorosi]

For now I'd exclude this entire section

[dreamorosi]

From my side let's remove the Processes section for now, since it's something I don't expect will help customers write better functions using Powertools.

After that I'm good to merge this.

[dreamorosi]

Sorry I dismissed by mistake, see previous comment.