SNOW-1256916 implement structured arrays

[sfc-gh-pfus]

Description

SNOW-1256916 Implemented structured arrays

Checklist

• [ ] Created tests which fail without the change (if possible)
• [ ] Extended the README / documentation, if necessary

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 18.40000% with 204 lines in your changes are missing coverage. Please review.

Project coverage is 80.74%. Comparing base (5a81858) to head (ea200ac).

Files	Patch %	Lines
converter.go	17.94%	192 Missing :warning:
structured_type.go	0.00%	12 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1087 +/- ## ========================================== - Coverage 82.50% 80.74% -1.76% ========================================== Files 52 52 Lines 10201 10444 +243 ========================================== + Hits 8416 8433 +17 - Misses 1785 2011 +226 ```

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