[DOCS] Add missing list expression entries

[desmondcheongzx]

Add

• list.count
• list.max
• list.mean
• list.min
• list.sum
  expressions from [FEAT] Add basic list aggregations #2032.

Additionally, sorted the expressions in this subsection.

[codspeed-hq]

CodSpeed Performance Report

Merging #3428 will degrade performances by 42.48%

_{Comparing desmondcheongzx:add-missing-list-expr-docs (0bdff4e) with main (fa1d9d7)}

Summary

❌ 1 regressions
✅ 16 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	desmondcheongzx:add-missing-list-expr-docs	Change
❌	test_show[100 Small Files]	23.8 ms	41.3 ms	-42.48%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.35%. Comparing base (8052de7) to head (0bdff4e).
Report is 17 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3428   +/-   ##
=======================================
  Coverage   77.35%   77.35%           
=======================================
  Files         684      684           
  Lines       83627    83639   +12     
=======================================
+ Hits        64688    64700   +12     
  Misses      18939    18939           

see 8 files with indirect coverage changes

[kevinzwang]

@jaychia is the PR doc publishing workflow working? I don't see how to view them.