Cherry Pick: Add Decimal to CsvWriter and improve debug display (#406)

[alamb]

Manual Cherry pick of fb45112 from #406
I didn't bring the changes to benches as that caused a conflict

FYI @alippai

[codecov-commenter]

Codecov Report

Merging #465 (34e00d1) into active_release (153085f) will increase coverage by 0.00%.
The diff coverage is 89.28%.

❗ Current head 34e00d1 differs from pull request most recent head 60495c2. Consider uploading reports for the commit 60495c2 to get more accurate results

@@               Coverage Diff               @@
##           active_release     #465   +/-   ##
===============================================
  Coverage           82.69%   82.70%           
===============================================
  Files                 163      163           
  Lines               44762    44782   +20     
===============================================
+ Hits                37016    37036   +20     
  Misses               7746     7746           

Impacted Files	Coverage Δ
arrow/src/util/display.rs	32.46% <60.00%> (+2.73%)	⬆️
arrow/src/array/array_binary.rs	90.13% <92.85%> (-0.03%)	⬇️
arrow/src/csv/writer.rs	83.15% <100.00%> (+0.50%)	⬆️
parquet/src/encodings/encoding.rs	95.04% <0.00%> (+0.19%)	⬆️

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[alamb]

Needs #475 then rebase to get a clean CI run