docs(admin): describe LS Login configuration

[svedziok]

Add admin guide on how to integrate LS-AAI in different services.

Summary by Sourcery

Documentation:

• Add a new admin guide on integrating LS-AAI with JupyterHub and Hedgedoc.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR adds documentation for integrating LS-AAI (Life Science Login) authentication into different services. The implementation consists of adding a new markdown file with detailed configuration guides for JupyterHub and Hedgedoc services, along with updating the mkdocs navigation to include the new guide.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Added documentation for LS-AAI integration	Created a new guide with detailed JupyterHub configuration steps including OAuth settings Added Hedgedoc integration instructions with required environment variables Included links to relevant external resources and prerequisites Added configuration examples with detailed explanations	docs/guides/guide-dev/services_to_ls_aai.md
Updated documentation navigation structure	Added new LS-AAI guide to the Administrators section	mkdocs.yml

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[sourcery-ai]

Hey @svedziok - I've reviewed your changes - here's some feedback:

Overall Comments:

• The file path in mkdocs.yml (guide-admin/services_to_ls_aai.md) doesn't match the actual file location (guide-dev/services_to_ls_aai.md). Please ensure these paths are consistent.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟡 Documentation: 3 issues found

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[uniqueg]

Good stuff! Some minor comments. And I think the comments from Sourcery are also good