docs: add tabs WIP

[petermakowski]

Done

• docs: add tabs WIP

QA

• Click on the "UI" tab and verify that only the UI-specific content is visible.
• Click on the "CLI" tab and verify that only the CLI-specific content is visible.
• Toggle between the tabs multiple times to ensure the content is consistently shown/hidden based on the selected tab.
• Open the docs page, e.g. docs/how-to-set-up-maas and verify that the UI is set in the URL
• Copy the URL of the page with the "UI" tab selected, paste it into a new browser tab, and verify that the "UI" tab is selected and the UI content is visible.
• Select the "CLI" tab and refresh the page. Verify that the "CLI" tab remains selected and the CLI content is visible.
• Click on a navigation item on the left to navigate to another docs page and verify that it still has "CLI" selected

Issue / Card

Screenshots

[webteam-app]

Demo

Jenkins

demos.haus

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.59%. Comparing base (1d1b759) to head (49d4d4c).
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #819   +/-   ##
=======================================
  Coverage   64.59%   64.59%           
=======================================
  Files           8        8           
  Lines         209      209           
=======================================
  Hits          135      135           
  Misses         74       74           

Flag	Coverage Δ
python	64.59% <ø> (ø)

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