[REVIEW] Add doc section for list & struct handling

[galipremsagar]

Description

Fixes: #11011

This PR:

• Adds a side-section for list & struct handling.
• Reduces duplication.
• Exposes more ListMethods APIs.

Checklist

• I am familiar with the Contributing Guidelines.
• The documentation is up to date with these changes.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (branch-22.10@cd60462). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@               Coverage Diff               @@
##             branch-22.10   #11770   +/-   ##
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  Files                   ?      133           
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  Hits                    ?    19058           
  Misses                  ?     2716           
  Partials                ?        0           

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[shwina]

Nice! This was sorely needed.

[galipremsagar]

@gpucibot merge