Closes #1520: Add a concise app layout suggestion to the docs

[evgenyponomarev]

Closes #1520.

Verified against the pinned tree: the patch applies cleanly and the issue's post-fix check passes.

Written by an AI coding agent (Sloppy) and opened under my account.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (ea2b14d) to head (eb2e38c).

Additional details and impacted files

@@            Coverage Diff            @@
##            master     #2724   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           64        64           
  Lines         7990      7990           
  Branches      1106      1106           
=========================================
  Hits          7990      7990           

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